Seven years after Samantha’s disappearance, on what would have been her thirty-fifth birthday, her best friend Diane is shocked to find a letter addressed to Samantha on her doorstep. Opening the envelope, Diane pulls out a birthday card and a finger nail painted in dusky pink nail polish. The same shade Samantha always wore. The same shade she was wearing the night she went missing. When police analyse the nail, they don’t get the result they expected. Instead of linking them to Samantha, the nail belongs to another woman, Jade Ashmore. And Jade was murdered the night before the envelope was delivered….