Season 2

Céline returns to Quebec City to probe the murder of a civil engineer, found encased in concrete in a bathroom at the Château Frontenac. Alex, on compulsory leave for PTSD, conducts an unofficial inquiry, going undercover at the château. Sophie teams up with her father, William, to uncover industrial secrets tied to the city's major engineering projects. Céline is partnered with rookie detective Daphne.