The Naval Criminal Investigation Service's Office of Special Projects takes on the undercover work and the hard to crack cases in LA. Key agents are G. Callen and Sam Hanna, streets kids risen through the ranks.
A new FBI profiler, Elizabeth Keen, has her entire life uprooted when a mysterious criminal, Raymond Reddington, who has eluded capture for decades, turns himself in and insists on speaking only to her.
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.
Follows a locally born and bred S.W.A.T. lieutenant who is torn between loyalty to the streets and duty to his fellow officers when he's tasked to run a highly-trained unit that's the last stop for solving crimes in Los Angeles.