A curmudgeonly biologist and his stoner graduate students encounter a group of mysterious backpackers who disrupt their lives in surprising ways.

Isolated bell-ringer Quasimodo wishes to leave Notre Dame tower against the wishes of Judge Claude Frollo, his stern guardian and Paris' strait-laced Minister of Justice. His first venture to the outside world finds him Esmeralda, a kind-hearted and fearless Romani woman who openly stands up to Frollo's tyranny.