Francis is a young gay man, Marie is a young straight woman and the two of them are best friends -- until the day the gorgeous Nicolas walks into a Montreal coffee shop. The two friends, instantly and equally infatuated, compete for Nicolas' indeterminate affections, a conflict that climaxes when the trio visit the vacation home of Nicolas' mother. The frothy comedy unfolds through narrative, fantasy sequences and confessional monologues.

An art film to the max, Heartbeats intriguing and appealing premise is sometimes buried by director Xavier Dolan's filmmaking flourishes.