S1 E1 • Mysterious Man

Yi Young is having bad days. She jumps into the river to save a woman, almost gets hit by a car, doesn’t do well at an audition, and is suffering from insomnia. Then, she encounters a stranger at a convenience store in her neighborhood. The mysterious man lends Yi Young an umbrella on a rainy day.

Première diffusion : 5 août 2019

S1 E2 • Evening Call

Yi Young meets her friends from college and has fun. However, at the gathering, Yi Young finds out that her boyfriend cheated on her with her college friend Eun Ju. Meanwhile, Yi Young asks the mysterious man from the convenience store to sing a song for her over the phone so that she can have a sound sleep.

Première diffusion : 5 août 2019

S1 E3 • Contract with Neighbor

Yi Young makes a contract with the men from the convenience store. He will sing a song for her every night on the phone. While listening to the song he sings, Yi Young starts to become curious about him. Meanwhile, Ju Wan tells Yi Young to come to the practice for his inauguration performance.

Première diffusion : 6 août 2019

S1 E4 • New Pianist

On the first day Yi Young joins the orchestra, false rumors have spread that Yi Young and Ju Wan are in an inappropriate relationship. And Yi Young is so nervous that she makes a big mistake during the rehearsal. Meanwhile, a new pianist joins the orchestra. Yi Young is very surprised to see the pianist.

Première diffusion : 6 août 2019

S1 E5 • Jobless Again

As soon as Yi Young wakes up in a hospital ward, she goes straight to the orchestra. However, she is informed that Ju Wan has changed the score and the orchestra doesn’t need her to play the timpani anymore. She gets depressed and ignores the evening calls from Yoon. But then she receives a call from Eun Ju.

Première diffusion : 12 août 2019

S1 E6 • Thief Breaks into Yi Young's House

Yi Young asks Ju Wan to let her work for him and the orchestra. Ju Wan accepts her request and hires her as his assistant. Meanwhile, when Yi Young stays at home at night, a thief breaks into her house. Yoon captures the thief for Yi Young, but his hand gets injured. And Yoon takes Yi Young to a villa in a suburb.

Première diffusion : 12 août 2019

S1 E7 • Welcoming Party

Yoon tells someone on the phone that Yi Young cannot remember anything about the accident that she was involved one year ago. Ju Wan says that he will throw a welcoming party for Yi Young. Meanwhile, Soo Young is forced by her mother to go on a blind date, but a guy in a sweatsuit shows up in front of her.

Première diffusion : 13 août 2019

S1 E8 • Who Are You, Yoon?

Yoon and Yi Young go out at night and share their stories of childhood and family. Next day, Yi Young catches a thief who tries to steal a purse of a member of the orchestra. Meanwhile, Eun Ju remembers that she has met Yoon before. Then, she goes straight to Yoon's house and asks him why he joined the orchestra.

Première diffusion : 13 août 2019

S1 E9 • Yi Young Gets Confused

Yi Young thinks that Yoon is avoiding her, and that makes her confused. Eun Ju is found collapsed in the toilet and taken to the hospital. And she's even replaced by another violinist in the orchestra, Meanwhile, Yoon hears that the truck driver who caused the car accident is released from jail.

Première diffusion : 19 août 2019

S1 E10 • In a Warehouse

On their way back home from where Ian died in a car accident, Yi Young and Yoon finds a warehouse that looks familiar to Yi Young. She goes into the place with Yoon, and suddenly starts to panic. Meanwhile, Eun Ju believes that Ju Wan has something to do with Ian's accident, and she tells Ju Wan what she saw on the day Ian died.

Première diffusion : 19 août 2019

S1 E11 • Rumor about Ian's Death

Yi Young is curious about the relationship between her and Ian. Then, she happens to hear a rumor about the truth behind Ian's death and his family. Meanwhile, Soo Young is worried about Yi Young becoming friends with Yoon. She visits Yoon and warns him that he should keep his distance from Yi Young.

Première diffusion : 20 août 2019

S1 E12 • Footprints Found in Yi Young's House

Yi Young goes on a blind date, she keeps thinking of Yoon. She even tells Yoon that she'd like to officially date him. Meanwhile, something ominous begins to happen to Yi Young. She finds someone else's footprints in her place. She thinks that Jae Hyung broke into her house again, but he denies.

Première diffusion : 20 août 2019

S1 E13 • Try to Remember, Yi Young!

Yoon tells Yi Young the reason why he approached her in the first place. Yi Young gets shocked, but Yoon keeps forcing her to remember what happened one year ago. Eun Ju gets fired from tutoring a high school student because of a malicious rumor about her. Ju Wan takes Yi Young to his grandmother's house.

Première diffusion : 26 août 2019

S1 E14 • Ju Wan Threatened

Before going back to Seoul, Yi Young gets comforted by what Ju Wan's grandmother says to her. And Yi Young tells Yoon about how she still feels about him and that she'll try hard to remember what happened one year ago. Meanwhile, an unexpected guest comes to visit and threaten Ju Wan, saying he'll take revenge.

Première diffusion : 26 août 2019

S1 E15 • A Flash Drive

In the warehouse, the mysterious man asks Yi Young about an item that Kim Ian took from him. Yi Young tells him that she has lost her memory and can’t remember anything. A few days later, Yi Young finds a flash drive in Soo Young’s house. She starts to watch the video in the flash drive.

Première diffusion : 27 août 2019

S1 E16 • Eun Ju Meets Chairman Jang

Yi Young tells Soo Young that she has found the flash drive in her room. Soo Young tells Yi Young that what happened one year ago. Yoon finds Yoon Young Gil and asks him about the item he's looking for and who is helping him. Meanwhile, Eun Ju meets Chairman Jang and offers him a deal.

Première diffusion : 27 août 2019

S1 E17 • Let’s Break Up

Yi Young finds Yoon, who has collapsed on the street, and takes him to the hospital. On the next day, Yoon wakes up, and he tells how his feelings for Yi Young have changed. Meanwhile, Ju Wan tells Eun Ju that he wants to break up with her. Eun Ju also tells Ju Wan that she knows why he tries to keep Yi Young by his side.

Première diffusion : 2 septembre 2019

S1 E18 • I’ll Turn Myself In

Yi Young goes to the police station to turn herself in. Yi Young can't be reached, and Yoon is worried about her. Yoon thinks Young Gil might have abducted Yi Young and starts to tail him. Then, Yoon witnesses his father meeting with Young Gil. Meanwhile, Eun Ju tells Yoon what she saw on the day Kim Ian died.

Première diffusion : 2 septembre 2019

S1 E19 • Ju Wan Visits Yi Young's Family

Professor Kang finds out that Jang Yoon is the son of Chairman Jang and throws a fit in front of Mi Rae. He tells her to make sure that Chairman Jang should not be a member of the board of directors. Meanwhile, Ju Wan spends some time with Yi Young's family at their house. Then, Young Gil comes to the house.

Première diffusion : 3 septembre 2019

S1 E20 • Don't Come After Me

The orchestra holds an event for the members, the chief director and directors. A new director Chairman Jang also shows up at the event. Meanwhile, Yi Young keeps avoiding Yoon. She decides to stay at her aunt's house for a while. On her way back home, Yi Young meets Young Gil. She remembers who he is and runs away from him.

Première diffusion : 3 septembre 2019

S1 E21 • Bring Me the Pen

Young Gil tells Yi Young to find a pen and bring it to him. He also says that he will share the identity of a person who was in the warehouse one year ago. Yi Young tries to find the pen. At the banquet in the orchestra, Yoon overhears the conversation between Eun Ju and Ju Wan. Yoon keeps thinking that Ju Wan is involved in Ian's death.

Première diffusion : 9 septembre 2019

S1 E22 • Ju Wan's Inaugural Concert

Yi Young meets Young Gil and hands the pen over to him. However, Young Gil refuses to tell her what happened one year ago. Instead, He meets Professor Kang and asks him for money. He also visits Ju Wan right before his inaugural concert. When Young Gil and Ju Wan talk in hiding, someone listens to their conversation.

Première diffusion : 9 septembre 2019

S1 E23 • A Man Found Dead

Ju Wan's inaugural concert goes successful. The audience loves it. When the members of the orchestra are elated and satisfied with their performance, they hear the news that a man is found dead in the main building of the orchestra. Meanwhile, Yi Young tells Yoon that she took the pen from Ian's keepsakes and gave it to Young Gil.

Première diffusion : 10 septembre 2019

S1 E24 • Flower Bouquet

Yoon tails Ju Wan and witnesses that Professor Kang and Ju Wan meet in private and accuse each other. Yi Young remembers what Young Gil told her last time she met him. She realizes that Young Gil might have left something in the flower bouquet. She goes back to Ju Wan's office to find the flower bouquet.

Première diffusion : 10 septembre 2019

S1 E25 • Were You in the Warehouse?

Yi Young asks Ju Wan whether he came into the warehouse one year ago, but he denies. As Ju Wan is cornered by Yi Young and Yoon, he feels frustrated. Meanwhile, the police come to Yoon's place and ask if Yoon was acquainted with Young Gil. They ask Yoon to come to the police station for questioning.

Première diffusion : 16 septembre 2019

S1 E26 • I Need More Help from You

Yoon is detained on suspicion of murdering Young Gil. Yi Young tells Ju Wan to turn himself in, but he keeps saying that he has nothing to do with Young Gil's death. Ju Wan tells Professor Kang that he needs more help. Meanwhile, when Yi Young visits Yoon at the detention center, he asks her about Professor Kang.

Première diffusion : 16 septembre 2019

S1 E27 • I’ll Give You a Ride Home

Yi Young runs into Professor Kang at the cafe. She hastily leaves the place, but Professor Kang offers a ride to her house. On the way home, Yi Young asks Professor Kang about Young Gil. Meanwhile, Yoon visits Mi Rae with the documents that prove her wrongdoings over the past years.

Première diffusion : 17 septembre 2019

S1 E28 • Tell Me What You Saw

Yoon is certain that Ms. Yang at the orchestra knows something about how Young Gil died in the staircase. Yoon starts to keep asking her about what she witnessed. Ms. Yang feels too much pressure and tries to avoid him. Meanwhile, Yi Young visits the cafe again to collect what Young Gil left behind for her, but she meets Professor Kang there again.

Première diffusion : 17 septembre 2019

S1 E29 • Yi Young's Memories of Ian

Yi Young gains her consciousness and some of her memories of Ian and the day of the accident. Professor Kang sneaks into Yi Young's ward and takes what Young Gil left for Yi Young. Meanwhile, Yoon shows Ju Wan the video of how Young Gil was killed. Ju Wan finally says something about Professor Kang.

Première diffusion : 23 septembre 2019

S1 E30 • The Locker Key

Ju Wan comes to meet Professor Kang. He tells Ju Wan what he did to Ian one year ago. Yi Young tells Yoon that she now remembers that Ju Wan didn't come to the warehouse to kill her and Ian. Meanwhile, Ju Wan gives Eun Ju a key to a locker before he gets arrested by the police.

Première diffusion : 23 septembre 2019

S1 E31 • Professor Kang Arrested

Première diffusion : 24 septembre 2019

S1 E32 • Without Saying Goodbye

Première diffusion : 24 septembre 2019