Jon Mollison

While Five-0 investigates a scheme to rob tourists, Tani helps Girard Hirsh (Willie Garson) prove the innocence of his elderly uncle when he's suspected of murder. Also, Tani and Junior work on the nuances of being in a new relationship.

It's Halloween in Hawaii and the clock is ticking when a grisly murder leads the team to a ritualistic killing, and evidence suggests that the killer will soon strike again.