Jason is one week away from marrying his boss's uber-controlling daughter. However, when the straight-laced Jason is tricked into driving his foul-mouthed grandfather, Dick, tp Daytona for spring break, his pending nuptials are in jeopardy. Between riotous frat parties, bar fights, and an epic night of karaoke, Dick is on a quest to live his life to the fullest. On the wildest journey of their lives, "dirty" Grandpa and his uptight grandson discover they can learn from one another.
Fueled by cheap whiskey, greed and hatred, Willie teams up once again with his angry little sidekick, Marcus, to knock off a Chicago charity on Christmas Eve.