"How come nobody's ever tried to be a superhero?" When Dave Lizewski -- ordinary New York teenager and rabid comic-book geek-- dons a green-and-yellow internet-bought wetsuit to become the no-nonsense vigilante, Kick-Ass, he soon finds an answer to his own question: because it hurts. But, overcoming all the odds, the eager, yet inexperienced, Dave quickly becomes a phenomenon, capturing the imagination of the public. However, he's not the only superhero out there.