Sonny Saito

When a Japanese sailor is killed on American soil, evidence links the case to the previous murder of the victim's girlfriend back in Japan; Capt. Milius makes a personal request to Tennant.

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin.

When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.

When a renowned urban vigilante is killed after making a citizen's arrest, the team delves into the world of super heroes and comic books to find the killer; Adam gets closer to finding out who killed his sister.

Adam investigates the murder of an undercover FBI agent who was about to wed the daughter of a Yakuza leader; Noelani is held hostage and forced, along with her mentor Dr. Chu, to operate at gunpoint on a criminal.

After an engineer who was developing a new guided missile destroyer is murdered, Callen and Sam go undercover to track his co-worker aboard a plane to Tokyo to sell the classified intel. Also, Deeks plans a surprise get-together for Kensi and her out-of-town friends.