Five years after throwing a killer party and stealing Muffin away from alpha-male Zeta frat member Bud, head party nerd Ritchie is married (to Muffin!) and runs a detective agency.

Jerry tries to seduce his girlfriend Monica via hypnosis, but it accidentally makes her want to enter a convent and take a vow of chastity instead. Jerry tries to get her out by disguising himself as a priest and, later, a nun. Alas, his rescue attempt crosses paths with a mobster who's looking for his hidden stolen diamonds in the convent. Things get even more complicated when the pope himself decides to pay a surprise visit.

When Christy Murphy comes home past midnight with her boyfriend, Jerry, her parents send her to the Academy of the Blessed Virgin, a Catholic school run by kind but very strict nuns.

A college professor teaching a course called "The Psychology of Fear" brings his students (including a psychic) to his home, one dark and stormy night to tell scary stories. The first involves a young couple whose car breaks down by an old, abandoned house. The second has four trendy teenage girls getting lost in a bad part of town and chased by a pack of vicious dogs. Last, a woman on crutches confronting a stalker at the answering service where she works the night shift.