Ondina is a radiant, happy young woman. She lives with Alexia, and they are in love. Their relationship is passionate and sensual. But one day, Alexia flies to her native Greece and does not return.
Sarah goes to her parents' birthday weekend accompanied by Hermione, 10 years old, her partner's daughter. But the absence of the latter does not take long to raise questions...
On the closing night of their favorite bar, Eden, Crystal and Ibtissame, experience strange events. Crystal mysteriously disappears, trapped in a parallel and fantastic world.