Enson Inoue

When a man from Detroit is killed on the streets of Oahu, the team is shocked to discover the killer's motives. Also, Chin risks everything to help Danny.

While Five-0 investigates a murder on a cargo ship where pirates impersonated the Coast Guard to board the boat, Adam finally gets the evidence he needs to take down the Island's Yakuza operation once and for all. Also, Quinn helps Noelani when she suspects that her uncle didn't die of natural causes.

When Grover's niece, Siobhan (Nia Holloway), goes missing from the police academy and it's discovered her boyfriend is an undercover member of the Yakuza, Adam may be her only hope of rescue.

Harry Langford (Chris Vance) helps Five-0 investigate a series of murders that follow the plot of a fabled unpublished crime novel from the 1920s. Also, Tani and Junior's friendship takes a meaningful new turn.