Series availability varies by country. In this "complex and fascinating mystery" (Radio Times), physician Tom (David Tennant, Broadchurch) and his teacher wife (Anna Madeley, Patrick Melrose) lead a seemingly perfect life in a Scottish town. Then a fire ravages their home one night, forcing those closest to them to question everything they knew about their friends. Cush Jumbo (The Good Wife) and Matthew McNulty (Versailles) also star.