Princeton, Idaho, a high school student named Napoleon (Jon Heder) is a decrepit bastard, with thick glasses, not cool, not handsome, and always funny. He lives with his grandmother and his unemployed brother Cap. He was not well received by his classmates at school and was often repaired by his teachers. He is not social, and can only follow the wind ball alone. Later, he befriended his classmate Pedro (Efren Ramirez), and the two became friends. When Pedro ran for the presidency of the student union, Napoleon contributed his part. Once, when Napoleon was playing a couch potato at home, a girl Debbie (Tina Majorino) came to the door to sell it. He then developed a crush on the girl, but he didn't have the courage to pursue it, so he could only come up with some clumsy ideas, and the result was always unhappy. Cap watched TV shopping, was deeply attracted by the self-defense coach, and pulled Napoleon and the two to join the club, but he was disappointed......