February 1927: Félix Leclerc's last year with his family before attending a private college in the fall. Accompanied by Fidor, his faithful friend, he will face adversity, love, death, and will embark on the path of adulthood.

A young man goes to his father's home in Maine where, helped by a public registry, he locates and tracks down sex offenders. In parallel, his mother follows his trail in order to try to understand what could have pushed him into this murderous madness.

Emma is an ambitious computer science student at the Academy of Advanced Technologies. When she develops Kairos, an artificial intelligence for her final project, she is unknowingly shaping the course of her own life, as it can generate statistical predictions to guide her in shaping her future… But at what cost?