Laurène curtailed her medical leave to pursue a murder investigation. A memory surfaced: the Roman soldiers of 57 BC, struck down by a baffling assault.

As Nounours studies the images of the victims, Laurène returns to the library, seeking information on ancient Celtic rituals.

A swarm of bees erupting from the lake precipitates a disturbing discovery. Laurène grips Jonas, determined to learn what he knows about the figure lurking in the woods.

Bathed in the glow of the full moon, the city pulsed with a restless energy. Hermann wrestled with the echoes of bygone days, while Siriani seized the chance to survey the quarry.

Laurène discovers an unsettling tableau: a crime scene rendered surreal by the presence of a grand piano nestled deep within the woods. Meanwhile, Cora attempts to unravel the mystery surrounding Roman’s demise. And Garnier delves into the …

The fragmented memories of Laurène's abduction resurfaced as she desperately sought aid for Nounours. Meanwhile, Siriani unearthed a troubling revelation.

As the team dwindled and the Day of the Dead drew nearer, Laurène pleaded for assistance. Unusually restless dogs guided her to a fresh body.

The discovery of animal bones in Villefranche prompted Laurène and Bertrand to assemble a search party within the forest, while the Children of Arduinna made preparations for their assault.