Nova generacija Griswoldowih ga spet hudo lomi. Družina se poda na novo na neuspeh vnaprej obsojeno pustolovščino: Rusty Griswold, zdaj odrasel možakar, se odpravi po očetovih stopinjah v upanju, da svoji družini omogoči hudo zaslužene počitnice. Soprogo Debbie in njuna sinova preseneti z izletom prek ZDA v najbolj priljubljeni družinski zabaviščni park Walley World. Le kaj bi lahko šlo narobe?
Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, an adult Rusty Griswold takes his wife and two sons on a cross-country road trip to Walley World. Needless to say, things don't go quite as planned.