A bizarre bee attack leads to a grisly discovery at a pond. Laurène takes Jonas into custody to find out what he knows about the figure in the forest.

As the full moon sends the town into a frenzy, Hermann grapples with ghosts from his past, and Siriani seizes a chance to inspect the quarry.

Laurène stumbles on a surreal crime scene near a piano in the forest. Cora searches for clues to Roman's fate. Garnier digs up info on Siriani's past.