A high school boy who can hear the emotions and memories of others through sound tries to hide his unusual ability from the world. His encounter with a seemingly perfect…

After 19 years of friendship, Eun-ho is oblivious to Do-hyun’s obsessive crush. But a new student’s arrival threatens to expose the perfect façade.

A victim’s son and a killer’s son reunite as a prosecutor and investigator, fighting systemic corruption while becoming each other’s salvation.