Steve McGarrett is summoned home to Honolulu to bury his father after he is murdered by a madman. Governor Jameson wants Steve to head up a new elite police unit, and she will give him full authority to get the job done.
When a former cyber terrorism expert is kidnapped, Five-0 is assigned to find the missing expert in order to protect national security.
Five-0 discovers a connection between Samoan gangs and a mainland mob after an escalating gang war wreaks havoc during a local high school football game.
Five-0 is called in to locate a dangerous escaped prisoner and to find him they need to determine his reasons for escaping. Steve's sister, Mary Ann arrives from the mainland for a visit and brings trouble of her own.
When the daughter of the U.S. ambassador to the Philippines is found dead, the governor tasks Five-0 with finding her abducted sister.
When the CEO of a successful surf company is murdered, Kono revisits her past; Five-0 is thrown into the varied but interconnected worlds of North Shore surfing.
Alex O'Loughlin
Steve McGarrett
Scott Caan
Danny "Danno" Williams
Chi McBride
Lou Grover
Jorge Garcia
Jerry Ortega
Meaghan Rath
Tani Rey