Eros and Thanatos: When documentary filmmakers arrive to report on the Forensic Institute in Paris, the mood there turns positively chilly. Eddy and Fatim are no longer speaking, Camille hates being filmed, Delgado hams it up, and Vésinet and Balthazar are openly at war. While everyone settles scores, a man's skeleton is discovered, whose disappearance echoes the vanishing of another man, exactly one year earlier.