When a body is found floating in a canal, strangely disfigured and with multiple stab wounds, Commissario Brunetti is called to investigate and is convinced he recognises the man from somewhere. Acting on the fragile lead, Brunetti and Ispettore Vianello set out to uncover the man's identity.

When a body is found floating in a canal, strangely disfigured and with multiple stab wounds, Commissario Brunetti is called to investigate and is convinced he recognises the man from somewhere. Acting on the fragile lead, Brunetti and Ispettore Vianello set out to uncover the man's identity.