Back in her native village, Céline discovers a skeleton in her uncle's orchard; Alex is in charge of the investigation that is causing a stir in the Applegrove community.

Céline wants to reopen the investigation into the murder of her cousin, Véronique Jolicoeur; Alex continues his investigation into the death of Marie-Thérèse at the abbey.

Céline comes up against resistance from Simon and McNeil, who are rather stingy with information; Alex pushes Johnny against a wall.

Celine and Alex grow closer to the killer; the Jolicoeurs suspect a family member; everyone's certainties are collapsing.