Dino is a cat that leads a double life. By day, he lives with Zoe, a little girl whose mother, Jeanne, is a police officer. By night, he works with Nico, a burglar with a big heart. One day, Dino the cat brings Zoe a very valuable bracelet. Lucas, Jeanne’s second-in-command, notices this bracelet is part of a jewellery collection that has been stolen.

One night, Zoe decides to follow Dino. On the way, she overhears some gangsters and discovers that her nanny is part of the gangsters’ team…