Steve McGarret, a decorated Naval officer, returns to Hawaii to investigate his father's murder and is asked to head up an elite police task force.
Following the abduction of a former NSA cyberterrorism expert, the team must rescue the man and prevent a breach of national security.
An escalating gang war spills into the stands of a high-school football game, killing several people; an unlikely partnership arises.
A violent convict escapes from prison and kidnaps a young couple on vacation; McGarrett's estranged sister comes to town.
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