A ruthless killer (Gary Hudson), hell bent for revenge, escapes prison and vows to kill the Texas Ranger (Sam Jones) who sent him there. With the aid of his two brothers, he set off on an explosive journey to make his tormentor pay the ultimate price, a slow tortuous death.
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.