Housesitting in her isolated Scottish Highland childhood home, Isla learns of her sister and brother-in-law's deaths six weeks after the accident. As she attempts to process the news, she receives an unexpected visitor. The last time she'd seen her brother-in-law's twin was at her sister's wedding six years ago... Barging into her childhood home with the force of a blizzard and his eyes blazing, Alissandru Rossetti demands to know when the affair with her brother-in-law began. Outside, the wind begins to howl...