Detective Tae Joo, a man of unwavering principles, receives an unusual request from his former girlfriend, now a prosecutor. In the midst of hunting a suspect believed to be a serial killer, he is struck by a car and loses consciousness. Up…

Disoriented by his circumstances, Tae Joo diligently assists the detectives of 1988 as they investigate a murder. Examining the details of the case, he’s convinced it represents part of a series of killings. He struggles to reconcile himsel…

Tae Joo finds himself disoriented, unsure whether he's awake or dreaming. He wrestles with the question of how he came to be where he is, but cannot discern the reason. Simultaneously, detectives are hot on the trail of a pickpocketing susp…

A body has been discovered in a field of reeds. A suspect has been identified, but Detective Tae Joo harbors doubts as to their guilt. Detective Dong Cheol remains convinced of the person’s culpability. As tensions rise, fragments of Tae Jo…

A woman contacted authorities to report a break-in at her home; surprisingly, nothing appeared to be missing. Simultaneously, detectives at Seobu Police Station were investigating a strikingly similar incident. Connecting the two cases prov…

Tae Joo encounters his deceased father, a man he barely remembers from childhood. Just as a flicker of warmth threatens to surface in his recollections, another murder shatters the fragile peace. As he investigates this new crime, he is str…

A group of fugitives is at large and has taken a family captive within their home. Officers from the Seobu Police Department are among the first responders, with Han Tae Joo determined to ensure everyone’s survival. As the situation escalat…

A woman had been murdered in a motel room, and Han Choong Ho, recently released from Seobu Police Department custody, quickly became the prime suspect. Yet, inexplicably, Han Tae Joo alone questioned whether their focus was truly on the rig…

The image of his father falling, shot at the same spot each time it surfaced in Han Tae Joo’s mind, culminated in his rescuing a younger version of himself, hidden within a tunnel. Ignoring cautions regarding the Seongho Gang, he pursued Oh…

As Han Tae Joo's relentless search for his father's killer and the elusive Kim Min Seok stretches further away, the detectives of Insung are once again confounded by a fresh murder. Certainty remains frustratingly out of reach. Yet, the dec…

The death of their primary suspect during interrogation plunged the Seobu detectives into disarray, fostering doubt and suspicion amongst them. Despite this unsettling development, they persevered, working relentlessly and drawing closer to…

Na Young has been abducted, and her life hangs precariously in the balance. The details of her disappearance mirror a disturbing incident from 2018, but this time, Han Tae Joo is determined to ensure the perpetrator does not escape justice.…

Even after the Kim Hyun Seok serial murder case has closed, Han Tae Joo remains trapped within 1988. The detectives of the Seobu Police Department, bound by their responsibilities, now face an unexpected transfer—a situation that deeply ang…

Captain Kang Dong Cheol stands as a suspect in the deaths of Officer Shin and Chief Kim Gyeong Se, now forced to flee and dependent on Han Tae Joo for any hope of clearing his name. Though the evidence seems overwhelmingly against him, Han …

Disoriented but inexplicably returned to 2018, Han Tae Joo awoke in a hospital bed. He eventually made his way home, where those he’d heard echoing through his dream greeted him with welcoming smiles. As Han Tae Joo began to reconstruct the…

With the serial killings resolved and the pain of his father's death finally eased, Han Tae Joo now grasps the destiny that awaits his former colleagues at the Insung Seobu Police Department, lost in 1988. Though he’s been assured the spect…