With his wife Elizabeth on life support after a boating accident, Hawaiian land baron Matt King takes his daughters on a trip from Oahu to Kauai to confront a young real estate broker, who was having an affair with Elizabeth before her misfortune.
Steve McGarrett returns home to Oahu, in order to find his father's killer. The governor offers him the chance to run his own task force (Five-0). Steve's team is joined by Chin Ho Kelly, Danny "Danno" Williams, and Kono Kalakaua.