Francis (Xavier Dolan) and Marie (Monia Chokri) are close friends. The tight bond that they take comfortably for granted is severely tested when during lunch one day, they meet Nicolas (Niels Schneider), a new arrival in town from the country. As a beautiful young man, Nicolas becomes the object of desire for both Francis and Marie.
As they slide further into their obsessive fantasies, the trusted friendship between Francis and Marie begins to crack under the pressure of competing for the affection of the new kid on the block. The film follows each stage of the progress of a love story- a most intriguing and compelling ménage. In turns crazy, passionate, hopeful, sorrowful, comical, sad, the film offers up an insightful look at the paths of falling in love and giving into obsession and what the consequence could be for both the pursued and the pursuers.