Mousse and Louis are young, beautiful, rich and in love, but drugs have invaded their lives. After Louis' fatal overdose, Mousse soon learns she is pregnant. Feeling lost, Mousse escapes to a beautiful beach house far from Paris and is soon joined in her refuge by Louis' gay brother, Paul. The two strangers gradually develop an unusual and deeply moving relationship as Ozon continues his unique exploration of the nature of family and blood ties.