On his first day on the job as a narcotics officer, a rookie cop works with a rogue detective who isn't what he appears.
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.
This story revolves around the lives of three teenagers, Berg, Pete and Sharon and how their lives are entwined. It further deals with the bonds they share with each other.