A strange occurrence involving missing bears leads the team to Paris. Meanwhile, Mitch makes a shocking discovery.
Nick and Hank investigate a police killer who scalps his victims. Meanwhile, Juliette begins email communication with Nick's mum and Adalind realises that she may soon be giving birth.
A romantic day for Monroe and Rosalee takes a dangerous turn when they encounter a bloodthirsty creature.
Hank and Nick encounter zombies while Adalind is caught in a feud between Stefania and Frau Pech. Also, Juliette asks Monroe to reveal Nick's darkest secret.
Nick's destiny is uncertain as the zombies continue to overrun Portland. Hank helps everyone to fight back against the zombie invasion and Renard attempts to rescue Nick from danger.