Stéphane decides to move to the beautiful mountains of Cantal in order to reconnect with his 8-year-old daughter, Victoria, who has been silent since her mother's disappearance. During a walk in the forest, a shepherd gives Victoria a puppy named "Mystery" who will gradually give her a taste for life. But very quickly, Stéphane discovers that the animal is in reality a wolf… Despite the warnings and the danger of this situation, he cannot bring himself to separate his daughter from this seemingly harmless ball of hair.

Siblings Elsa and Franck used to be close, but everything changed when Franck’s space mission went awry. Three years have passed since his mysterious disappearance, and 23-year-old Elsa is having trouble moving on with her life. One day, an unidentified life form makes contact, offering to bring her big brother back to Earth. But there's a price to pay...