S1 E1 • Waking Up In 1988

Tae Joo, a detective with principles, is asked for a favour by his ex-girlfriend, who is a prosecutor. While pursuing a man suspected to be a serial killer, he loses consciousness after getting hit by a car. When he wakes up, he finds himself in the year 1988.

Première diffusion : 9 juin 2018

S1 E2 • Is This A Dream?

Despite being confused of his current situation, Tae Joo works hard with the detectives in 1988 to solve a murder case. Upon looking at the case, he is certain that it is a serial murder. He has a hard time accepting the way that the 1988 detectives work and gets into an argument with Dong Cheol. Tae Joo is determined to find his way back to 2018. In order to do so, he makes a dangerous decision.

Première diffusion : 10 juin 2018

S1 E3 • Finding the Purpose

Tae Joo is confused as he can’t tell if he is dreaming or not. He wonders why he’s been sent to where he is now, but he can’t figure out why. Meanwhile, the detectives pursue the suspect of a pickpocketing case. By sticking to his principles, however, Tae Joo puts his colleague at risk.

Première diffusion : 16 juin 2018

S1 E4 • Recalling Lost Memories

A dead body turns up in a field of reeds. They find the suspect of the murder, but Tae Joo doesn’t think that their suspect is the killer. Dong Cheol disagrees and is certain that the person they caught is the murderer. Meanwhile, Tae Joo begins to remember parts of his past that he had forgotten about.

Première diffusion : 17 juin 2018

S1 E5 • The Thief Who Doesn’t Steal

A woman reports a break-in, but as it turns out, nothing was stolen from her. Meanwhile, the gang at Seobu Police Station finds out about a similar case. They find out the one thing the two victims had in common and track down the victim.

Première diffusion : 23 juin 2018

S1 E6 • The Pieces of Memories

Tae Joo meets his father, who passed away when he was young. Before he can recall the warm memories with his father, another murder occurs. In the midst of solving this crime, he is reminded of how important a father is in a child’s life. The closer they get to solving the case, the clearer his memories become. The missing puzzles of his lost memories come together.

Première diffusion : 24 juin 2018

S1 E7 • The Rich Are Innocent, And The Poor Are Guilty

Fugitives are on the run and have taken a family hostage in their home. Officers of the Seobu Police Department are the first to arrive including Han Tae Joo who makes it his mission to keep everyone alive. As the hostage situation worsens, the Seobu Police resort to desperate measures endangering their own lives to rescue the innocent.

Première diffusion : 30 juin 2018

S1 E8 • Childhood Memories

A woman is found murdered in a motel room. Han Choong Ho, who was first released by the Seobu Police Department, is the first suspect in the case. But for some reason, Han Tae Joo is the only one who doubts the possibility Han Choong Ho is the one they should be after. Han Tae Joe’s reoccurring flashbacks of his childhood memories lead him to a place that might be where his father is but only confuses him more of the reality he now lives.

Première diffusion : 1 juillet 2018

S1 E9 • Catching A Tiger

Han Tae Joo witnesses his father being shot at a reoccurring place in his memory and ends up rescuing his younger self hiding in the tunnel. Despite the warnings about the Seongho Gang, Han Tae Joo charges after Oh Jung Man, the boss and the man he suspects who had called the hit on his father and Go Yeong Suk, and brings him in for questioning. However, there is more to know for Han Tae Joo, as Oh Jung Man walks out smiling freely with a very influential man of Insung behind him.

Première diffusion : 14 juillet 2018

S1 E10 • A New Culprit

Han Tae Joo’s pursuit of his father’s killer and the intangible Kim Min Seok gets more distant as the detectives of Insung are baffled once again when another murder case arises. Nothing seems to be certain. However, the body of the dead woman leads Han Tae Joo and the team to her house where they find traces of Kim Min Seok’s existence. Can all of these murders be connected, but how?

Première diffusion : 15 juillet 2018

S1 E11 • The Problem Is Inside

With the prime suspect ending up dead during questioning, the detectives of Seobu are thrown into confusion, having doubts and suspicions of one another. However, they press on unsupported and get closer to catching the real culprit. As things start to turn for the worst, Han Tae Joo receives a phone call from someone who tells him a way to get back home.

Première diffusion : 21 juillet 2018

S1 E12 • Finally, the Truth Comes Out

The serial killer kidnaps Na Young. Her life is in danger. All the clues in her kidnapping are the same as the incident that happened in 2018, but this time, Han Tae Joo won’t let him get away. Na Young has been missing for over nine hours, and the detectives are put to the test to save her life. Will they find her in time?

Première diffusion : 22 juillet 2018

S1 E13 • Why Am I Still Here?

Han Tae Joo still remains in the year 1988 even after the serial murder case of Kim Hyun Seok concludes. For their role and duty, the detectives of the Seobu Police Department are ironically faced with a transfer. Captain Kang Dong Cheol is outraged by this, and he seeks to find out answers only to find himself in trouble. Meanwhile, Han Tae Joo receives a call that might help him find his way back home.

Première diffusion : 28 juillet 2018

S1 E14 • Drinking with Friends is Best

Première diffusion : 29 juillet 2018

S1 E15 • My Dreams Were True

Première diffusion : 4 août 2018

S1 E16 • Where Do I Go Now?

Première diffusion : 5 août 2018