Working with Shannon and Leary, Da Vinci investigates an apparent suicide in the woods of an ex-convict released on day parole. Patricia starts her new job as a professor at the university. Sunny finds some artifacts of interest in historic Chinatown. Detective Kosmo tries a new approach to an old unsolved case.

A detained Chinese boat migrant dies while on a hunger strike. Da Vinci investigates. Shannon and Leary's prime suspect is a possible stalker as they continue their investigation of a double homicide.

Gina asks Da Vinci to look into the hospital death of an infant. Danny Leary joins the undercover operation to get close with the wife of Kosmo's prime suspect.

A fatal crash is linked to Rose and Shannon's robbery-homicide case. Meanwhile, unreliable witnesses plague Da Vinci's investigation into the commingled bodies.