Scott Pilgrim meets the girl of his dreams, Ramona Flowers, only to find out her seven evil exes stand in the way of their love.

The titular slacker and in a garage band named Sex Bob-omb with his friends. His life is turned upside down when he meets Ramona Flowers, an American girl who is recently single. But before their love can blossom, Pilgrim finds himself challenged by his love's seven previous relationships, and must defeat them in over-the-top fashion.