Sandrine and Valentin race to find a sunny west Paris home for a large family. Grappling with Martin's news, the Kretzes plan Olivier's birthday bash.

New to sales, Louis strives to prove himself. Sandrine helps a scout find a gem of a location for a luxury event. Martin and Ève ponder a big move.

Sandrine shows her savoir faire as she copes with challenging specs. A busy Valentin must dash from Paris to idyllic Île de Ré for Martin's big day.

The Kretzes work on their family goals with a team-building coach. In Ibiza, Valentin gets resourceful when a property tour is abruptly canceled.

Olivier and his sons visit a splendid castle designed by the acclaimed Jacques Garcia. Later, Valentin shows a modern marvel accessible via speedboat.