Lorene Marechal arrives in Paris after the loss of her parents. She is welcomed by Catherine Cipriani, wife of the CEO of Carialis. Lorene discovers that the father she has just buried is not her biological one and decides to find him.
Ethan Cipriani organizes his birthday party, but his girlfriend Hermione De Saint Faye does not take a good look at Lorene's presence when she learns that Lorene lives in the same apartment as Ethan.