A poorly performing police unit is assigned to a daycare building. While trying to adjust to their new office filled with kids, they are called to investigate the mysterious death of a road manager for a famous actor.
The death of a famous actor's manager is initially ruled a suicide but turns into a homicide investigation. A detective feels overlooked by rookie Yubin, and begins his own search for answers as media frenzy and another death occurs.
A fire breaks out in a chicken restaurant, and a girl is hurt and taken to the hospital. Police find signs of an attack and think it might be arson. They also discover that the girl had a stalker when they check her devices.
Forensic results confirm arson for the restaurant fire. Three suspects emerge: a stalker, a fierce restaurant competitor, and a landlord. The girl wakes up but can't remember anything. A friend proposes a new theory to help crack the case.