Jack Powell suffers from an affliction that makes him grow four times faster than normal, so the 10 year old boy looks like a 40 year old man. After years of being tutored at home, Jack convinces his overprotective parents to send him to public school. The children don't know what to make of Jack, but with the help of his fifth-grade teacher, he makes an effort to win them over.

Follow the 10-year reunion of the Deadwood camp to celebrate South Dakota's statehood. Former rivalries are reignited, alliances are tested and old wounds are reopened, as all are left to navigate the inevitable changes that modernity and time have wrought.