The Aztecs summoned a Tyrannosaurus Rex to keep Cortes and his army out of Mexico. Now they need the Conquistadors' help to stop the T-Rex from killing them all.
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.
