Boss dies suddenly, leaving truths buried as Tiu seeks closure and Gun receives a letter from the past.

Tiu returns home too late to see his mother, then probes two suspicious deaths tied to Dr. Gun.

DNA implicates Boss, but his confession reveals the truth behind the director’s death—and a link to him.

Tiu investigates odd behavior at the hospital while seeing a gentler side of Gun in the mountains.

A missing director, a fresh wound on Gun’s forehead, and a new corpse push Tiu’s suspicions higher.

Found evidence frames Gun, removing Tiu from the case as Ohn risks everything to expose the real culprit.

Gun and Boss are found shot as evidence emerges, forcing Tiu to reassess every assumption in the case.

As evidence points to murder, Tiu confronts Gun—who makes a shocking confession that deepens suspicion.