Jason Quinn

A dangerous convict escapes from an island prison to search for his stolen money; McGarrett's sister arrives from the mainland.

Kai goes undercover with one of Hawaii's oldest surf gangs when a petty officer is murdered.

The team go back to school when a college professor is murdered, with Danny posing as the professor's replacement.

The investigators probe what appears to be gang-related gunplay in a hospital emergency room, then discover a cheating girlfriend may be the catalyst for the shooting.

After questioning orders to fire nuclear missiles into Pakistan, Captain Marcus Chaplin (Andre Braugher) and the crew of the nuclear sub USS Colorado are deemed traitors by their own country. Forced to take refuge on an exotic Pacific island, they must fight to clear their names so that they can return home.

Magnum and Higgins are each hired by a different spouse who are in the middle of a contentious divorce to dig up dirt on the other; Rick and TC look into the death of an unidentified man and must share the news with his estranged daughter.