Anais Demoustier stars as Claire, who is mourning the passing of her best friend since childhood, Laura, who leaves behind a husband, David, and a newborn baby girl, Lucie. Claire vows to always look after little Lucie in the absence of a mother figure only to find a mother figure already there, as she spies that David has taken to wearing Laura's clothing, bringing out his latent penchant for transvestitism. It's a secret Laura knew of, and now he shares it with Claire, but their continued friendship means hiding the secret from Claire's husband Gilles, who thinks his wife is merely hanging out with an old female friend named Virginia. However, David is quite fond of Claire, and Claire, who has always harbored romantic feelings for Laura, begins to get confused by this new woman in her life who dresses, smells and lives in the house of her beloved best friend.