Three Pines

After ignoring his superior's orders and investigating the disappearance of Blue Two-Rivers, Gamache is sent to the village of Three Pines to investigate the murder of a wealthy socialite, but soon discovers that all is not what it seems.

Gamache realizes that the key to solving CC's murder lies in his enigmatic past. Meanwhile, a breakthrough in the Blue Two-Rivers case is short-lived when the girl's family rejects the evidence, leading to a desperate act.

Gamache returns to Three Pines to investigate the disappearance of a popular local, Marc Fortier. Meanwhile, Lacoste discovers that evidence relating to Blue's disappearance has been falsified, and Gamache secretly reopens the case.

The villagers discover the truth of their past when Gamache makes a breakthrough in Marc's murder case. Meanwhile, Lacoste makes a discovery related to Blue's case that could identify one of the main suspects.

Gamache and his wife's anniversary celebration is interrupted by the discovery of a body. Gamache calls his team and they investigate the case. Meanwhile, Lacoste receives a call regarding the Blue Two-Rivers case.

Gamache and his team get to the heart of the case, unearthing decades-old grudges and deeply buried secrets in the Morrow family. Meanwhile, a tragedy leaves Lacoste in shock.