A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.
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Episode: 1 Red Cap Incident
Episode: 2 Habits of Criminals
Episode: 3 Ha-yeong Meets Tae-gu Again
Episode: 4 What Must We Remember?
Episode: 5 Looking into the Minds of Evil
Episode: 6 The Man With the Hiking Boots
Episode: 7 A Scary Wolf Inside the Rabbit Burrow
Episode: 8 There Are No Perfect Crimes
Episode: 9 Becoming the Monster
Episode: 10 I Just Liked It
Episode: 11 The Victims And Their Families
Episode: 12 The Hearts of Criminals
