While a quirky police inspector digs into her parents' case, Emma drags Camille back to Caro's home and reconnects with the rest of her old crew.

Tonio makes a disturbing discovery at the shore. Another harrowing night with Emma pushes Camille to her limit. Marianne turns up the heat.

Emma's grieving is cut short by an urgent request, and a grisly scene at the Daugeron home leads Inspector Ronan into a world of demonic secrets.