Youngaisa Wily

Five-0 enlists the help of an old-school private detective to solve the murder of a young woman who was secretly working as an escort. William Forsythe guest stars as the old-school private detective. Doug Savant and Eric Roberts also guest star.

While Five-0 investigates a scuba diver's death from a gun recently used in another murder, McGarrett prepares to propose to Catherine. Andrew Lawrence and Michelle Borth return.