It's semester break, and the gang is all set to go on a trip to Yosemite. But things take a turn when their chaperone, Coco, cancels. The kids are bummed to be stuck alone at PCA, but then they realize all of the fun they can have with the campus to themselves. However, the fun comes to an end when Dean Rivers' prized golfing trophy gets vandalized and the boys get blamed. Now it's up to the girls to clear their name.