Alex Moran has begun his senior year at Blue Mountain State. Since the team is predicted to not do as well this season, he decides to dedicate his final year more to partying.
Meanwhile, a new dean threatens to take over the Goat House, the party location for the school's football team, Alex reaches out to Thad Castle, who has recently been drafted into the NFL, to buy the house. Thad agrees he will, but only if Alex throws a party in his honor and it meets his wild expectations. The party, full of drugs and amusement rides, gets out of hand, but Thad is impressed nevertheless.