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.
Faced with the destruction of her town at the hands of a greedy mining company, rebellious high school teacher Sarah Cooper utilizes an obscure cartographical loophole to declare independence. Now Sarah must lead a young group of misfits as they attempt to start their own country from scratch.