The team must battle the French, Indians and Mother Nature after Flynn sabotages the Lifeboat and traps them back in Western Pennsylvania circa 1754.

When a mission goes awry, Wyatt and Rufus are forced to bring a 17-year-old John F. Kennedy with them to the present. Anxious to return the future president to history, the team must find a way to work together to rescue JFK and return him to the past before Rittenhouse assassinates him in 2018.