1979. Donald Lavoie is a fearsome hitman who works under the orders of Claude Dubois, head of the Montreal South-West mob. Donald is tasked to take under his wing new recruit Serge Rivard, a hotheaded small-time crook who soon compromises him in a botched double murder. Donald avoids justice thanks to the Dubois clan's lawyers, but this is only a temporary setback for Detective Sergeant Roger Burns, who wants to convince Lavoie to become an informer.
Abandoned by her mother in a group home of the DPJ, Émilie (13) tries to flee her new reality. Influenced by the people she meets on her getaway, her ray of hope lies in learning a musical instrument.
By the summer of his 19th birthday, Charlie Hall, champion wakeboarder, doesn’t know if he’ll ever get back on a wakeboard following an injury. When he flees his anguish and uncertainty by going to his cousin Noah’s house in the town of Chambly, he meets Juliette, a young employee of the local marina. The chemistry clicks and the two youngsters develop a unique relationship that only has as obstacles the fear of their ambitions.