Georges (Grégory Gadebois), teaches school in Montreal – he and wife Emma, (Monia Chokri) have just moved to the countryside. One day, he surprises a young intruder Zack, (Noah Parker), rummaging through his things.
Boys' college in eastern Quebec at the end of the 1940s. Brother Jean is not a teacher like the others. He wants to interest his students in the subject and to achieve this, he conducts archaeological excavations with his students aimed at proving the establishment of a Viking colony (Vinland) on the coast of the Saint Lawrence. The superiors of his congregation do not appreciate his unconventional ways of teaching. Without knowing it, Brother Jean will have a significant impact on the lives of his students, particularly in that of Émile, a young man who is having difficulty at school and who would prefer to abandon his studies to go work in a factory.
A young French Canadian, one of five boys in a conservative family in the 1960s and 1970s, struggles to reconcile his emerging identity with his father's values.
As a small-town social worker investigates a commune headed by a spiritual leader calling himself Moses, she discovers a dead child, sadistic rituals, and ruthless mental and physical abuse.
When bodies start to appear, with a crow bone stuck in their throat as their common signature, two tough investigators, Gabrielle and Clémence, must team up to solve these crimes that shock the province... and the whole world. Circumstances will force them to reveal themselves to each other, to forge an imperishable bond and to question what is real and what is not.