[The Dangerous Coexistence of a Suspicious Amnesiac Man and a Homicide Detective]

Homicide detective Kim I-eum rescues a man who collapsed on a mountain trail during an investigation.
The man, suffering from amnesia, believes he is just a child.

An unidentified man and the detective who becomes his guardian.
What begins as a tense, suspicious cohabitation slowly unravels into
unexpected truths… and emotions neither of them anticipated.