Bunny Judy Hopps and fox Nick Wilde have become a successful duo of cops in the police department of Zootopia. But when reptiles arrive in the city, for the first time in ages, suspicions flare up. But Gary the Viper is not a threat to the city but a help when Judy and Nick start investigating in a case which will lead them into the dark and secretive corners of the city and on the trail of a conspiracy.