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.

Special Agent Simone Clark, the oldest rookie in the FBI, is a force of nature, the living embodiment of a dream deferred – and she works together with her new colleagues at the Los Angeles office of the Bureau to bring down the country’s toughest criminals.

Forces already occupying a home have their own ideas about the sudden presence of a trio moving in.