A rising fashion designer needs his brother's help to succeed in the business. His volatile sibling, Claude, is the true genius of the label.

Paul and his new business partner begin to clash over how to run the fashion house. Meanwhile, Nina is forced into the role of couture model, and things take a dark turn.

Rossi returns to question Paul's former boss, Lemaire. Nina returns to the convent to see her son, while Paul sends Claude out to the country cottage with Yvette.

A detective arrives asking questions about the body found on Sabine property. Meanwhile, the pressure piles on Paul who has everything riding on the new show.

Paul's glory is short-lived when he is questioned about the murder and the victim. Meanwhile, Nina gets closer to her child's identity, and Billy's photo are stolen.

The Maison's inner circle are invited to Trouvier's lavish chateau over the weekend. Meanwhile, Paul discovers a possible threat, and it leaves him feeling uneasy about his wife.