As bass guitarist for a garage-rock band, Scott Pilgrim has never had trouble getting a girlfriend; usually, the problem is getting rid of them. But when Ramona Flowers skates into his heart, he finds she has the most troublesome baggage of all: an army of ex-boyfriends who will stop at nothing to eliminate him from her list of suitors.

The film tells the story of Ariel, a 21-year-old who decides to form a rock band to compete for a prize of ten thousand dollars in a musical band contest, this as a last option when trying to get money to save their relationship and reunite with his ex-girlfriend, which breaks due to the trip she must make to Finland for an internship. Ariel with her friend Ortega, decides to make a casting to find the other members of the band, although they do not know nothing about music, thus forming a band with members that have diverse and opposite personalities.

Charlie and Gerald reunite their failed 2000's boy band for a competition whose prize money could remedy all of their financial woes. What could go wrong?

A high school bandleader captures the interest of a popular co-ed.