One morning, Lily and Ben wake up side by side in bodies that are not theirs. And Magalie, a little girl in the body of a tall, bearded, awaits them in the guest room. This is the beginning of an incredible adventure, sometimes initiatory, where the bodies and identities will be reversed at the option of a simple hug.

In a devastated future, the apocalypse threatens the Earth. The last hope lies with a man capable of time travel. His mission: to return to the past and change the course of events. But the time police hunts him down in every era. A race against time begins for the Visitor from the Future...