To prove to his college journalism professor that he has what it takes be a good investigative reporter, Richie gets down and dirty to expose who's behind an illegal garbage collection scheme.

Jealous Richie Cunningham bridles at Lori Beth's too-enthusiastic participation in a charity kissing booth, while unable-to-swim Potsie Weber fears that the traditional dunk in the lake following his fraternity pinning ceremony will embarrass him in front of his intended sorority pin-ee, lovely Jennifer Jerome.