Gamache realises that the key to solving CC’s murder lies in her enigmatic past. Discovering that one of the villagers has withheld from him a key piece of information, he is able to crack the case. Meanwhile, Gamache’s delight at making a breakthrough in Blue’s disappearance is short-lived as the Two-Rivers family rejects his evidence and the anguished Missy is driven into a desperate act.

The show’s own verdict is on its page.