College facilities manager Dan Chambers is misunderstood, but when he discovers time travel, he finds that he can claim movie quotes and stand-up bits as his own and be the cool guy in the 18th century. He doesn't initially realize that by transporting himself back in time to hang out with his girlfriend, Deborah, he is altering events in the present. When Dan's meddling leads to Paul Revere postponing his famous ride and altering the events of the American Revolution, he must turn to popular history professor Chris Parish for help. Together, Dan, Deborah and Chris try to set everything right.