Michelle, a retiree in Burgundy, expects her grandson Lucas but a mistake ruins her plans. Her friend Marie-Claude's son is released from prison, reviving Michelle's purpose.

1947. On a beach, Madeleine, a waitress in a hotel restaurant, mother of a little boy, meets François, a rich and cultivated student. The force of attraction that pushes them towards each other is commensurate with the secrecy that each carries. If we know what Madeleine wants to leave behind by following this young man, we discover over time, what François is desperately trying to flee by mixing Madeleine's fate with his.

France, 2039. One night, a group of activists who are being pursued by the State vanish without a trace. Julia Bombarth is one of them. When she awakens, she finds herself trapped in an entirely unfamiliar world: PLANET B.