Todd (straight) ends up on a blind date with a gay man, Kelly, the result of a practical joke played by his brother, Barry. To Todd's surprise, he and Kelly strike up a friendship. They decide to take revenge on Barry by reversing the joke. After their date, the pair saunter past Barry holding hands. The joke works too well. Freaking out and convinced that Todd Is gay, Barry calls their mother to break the news. Concerned, she arrives on the next plane. Despite his vehement denials, Mom now sees Todd's love of movies and theatre, as well as his lack of interest in sports, as clear signs she'd previously missed. She is determined to prove to her son that she loves him no matter what. Nothing Todd says or does can convince her that he's actually straight! Soon, everyone in his life believes he is gay. His frantic attempts to prove his heterosexuality with a younger woman end in disaster. He starts to wonder, could his feeling for Kelly be more than he'd ever expected?