
In the late 1970s, the most feared hitman in the Montreal underworld, Donald Lavoie, found himself hunted down by his former accomplices and by a tenacious police officer.

While his peers have all turned white, Katak is still small and grey. To prove that he has grown up and to grant the last wish of his adored grandma, Katak departs on a perilous journey to the Great North.