Kim Sung-soo

Four young men come to the rescue of a former classmate whose family has been sucked into the clutches of a religious cult and its charismatic leader.

A homicide detective joins forces with a prosecutor to avenged the murder of his half-brother. The aggressive detective and the by-the-book prosecutor must put aside their differences in order to find the killer.

Ishigami comes home from work and discovers his wife dead. Just then, he receives a phone call from his wife and falls in utter confusion. Unexplainable things keep happening as Ishigami struggles to find his wife. Gradually, Ishigami realizes all his memories are gone and finds himself acting like someone else. What is his true identity?

On a Christmas Eve, a lifeless body of teenage boy is found. The victim's revenge-driven twin brother checks himself into a juvie to hunt down the suspects.