Paid by disgruntled parents to wreck their daughters’ relationships, Alex (Romain Duris) breaks hearts for a living. His sister and her tech-savvy husband, assist him in ensuring that no couple is safe around him. When their work takes them to Monte Carlo, where the beautiful Juliette (Vanessa Paradis) is preparing to marry the handsome Jonathan (Andrew Lincoln), even Alex’s special rendition of Dirty Dancing might not be enough to earn them their salary.