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In this musical, college classmates Todd Armstrong (Frankie Avalon) and Craig Gamble (Dwayne Hickman) head out on a group ski vacation, and agree that if they're going to get girlfriends, they need to understand how women think. So when they arrive at the ski lodge, Todd and Craig dress up as young women and pal around with female classmates. Though this provides a bit of insight, the plan goes awry when a male classmate falls for the female version of Craig and pursues him all over the resort. Wikipedia