A daring physicist travels into the past to stop a mysterious woman from stealing his invention. But once there, he uncovers a surprising truth about the machine, the woman, and his own fractured reality.
In New York, a Pakistani native finds that his American Dream has collapsed in the wake of the 9/11 terrorist attacks.
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.