After standing in as best man for his longtime friend Carl Petersen, Randy Dupree loses his job, becomes a barfly and attaches himself to the newlywed couple almost permanently — as their houseguest. But the longer Dupree camps out on their couch, the closer he gets to Carl’s bride, Molly, leaving the frustrated groom wondering when his pal will be moving out.

The story of two college graduates from the Midwest who move to Los Angeles, where their love is tested for the first time.

Van Wilder has been attending college for far too many years and is scared to graduate, but Van’s father eventually realizes what is going on. When he stops paying his son’s tuition fees, Van must come up with the money if he wants to stay in college, so he and his friends come up with a great fund-raising idea – throwing parties. However, when the college magazine finds out and reporter, Gwen is sent to do a story on Van Wilder, things get a little complicated.