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...
Alice, a young girl, protest against the construction of a nuclear plant created by her father, a deputy. It is then that a strange visitor take them in 2555, a future devastated by the explosion of the central.