Giovanna Bastoni, a lawyer, is killed. It looks like a robbery, but Stucky suspects something else. The clues point to a trainee, the victim's alleged lover, but the death of a forger will reveal the real culprit.

Fabio Berrin's death appears to be a case of anaphylactic shock, but the autopsy reveals the presence of pesticide in his body. The Clues point to the husband of his last lover, but Stucky senses a deeper truth.