When Larry falls for the girl of his dreams, Emma, he lets the opportunity to ask her out on a date slide by. But after a magical bong rip on 4/20, Larry is magically transported to the magical land of 420 where he begins a most excellent quest to meet Sir High to get back home. En route he meets a cast of totally outrageous characters who ban together to help Larry "grow a pair" and finally learn the true meaning of 420.