After a bitter divorce, Miriam (Drucker) and Antoine (Menochet) battle for sole custody of their son, Julien (Gioria). Miriam claims the father is violent but lacks proof. Antoine accuses her of manipulating their son for her own ends. Both sides seem to be hiding something; the truth is buried in deceit and jealousy.
When the judge awards joint custody, Julien becomes a pawn in a tense conflict that soon brings the family's fraught past to light.