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Straight-laced lawyer Jason (Zac Efron) goes on a road trip to Daytona Beach with his horndog grandfather Dick (Robert De Niro), who was recently widowed and is eager to party hard on spring break now that he's a single man. Along the way, Dick prods Jason to let loose and have fun, and tries to convince him that he shouldn't get married to his controlling fiancée (Julianne Hough). Aubrey Plaza, Dermot Mulroney, Zoey Deutch, Jason Mantzoukas, and Adam Pally co-star. Directed by Dan Mazer.