When tomboy Sydney is banished from the most popular sorority on campus, she is taken in by seven socially challenged but endearing guys. With the help of her new friends, Sydney stands up for outcasts everywhere and takes on the reigning campus queen in a popularity showdown. Now, Sydney wants to win the heart of gorgeous frat guy Tyler Prince.

When five sorority girls inadvertently cause the murder of one of their sisters in a prank gone wrong, they agree to keep the matter to themselves and never speak of it again, so they can get on with their lives. This proves easier said than done, when after graduation a mysterious killer goes after the five of them and anyone who knows their secret.

When Playboy Bunny, Shelly, is tossed out of the Playboy Mansion, she has nowhere to go. She quickly falls in with the sorority girls from Zeta Alpha Zeta. The members of the sorority, all seven of whom are socially inadept, are about to lose their house. The girls need a dose of what only the eternally bubbly Shelley can provide. Eventually, the girls, and Shelly, learn to stop pretending to be what they think others want them to be and start being...

In 1962, Larry Kroger and Kent Dorfman are freshman in college. They want to join a fraternity. After visiting several, including the snobby Omega house, they come to a Delta house pledge party. Here they meet the handsome, but compulsive womanizer Otter, his best friend Boone, Boone's girlfriend Katy, the daring thrill-seeker D-Day, the ever responsible Hoover, and slacker Bluto. They are accepted into the fraternity and join in on the wild toga...