An explosive love triangle, a formidable matriarch and a house party of enemies. All drawn inexorably ... Towards Zero. Now Anjelica Huston and a star-studded cast feature in a brand new BBC adaptation of Agatha Christie's tense, ingenious novel. Read it before you see it! Confined to her bed, Lady Tressilian decides to summon her friends to her seaside home for a party. The guests begin to gather. The handsome sports star. The beautiful new wife. The ex. The atmosphere is tense. But little do the guests know, that the party is about to come to a chilling end. When one of them is found brutally murdered, each one of them becomes a suspect. But who among them is a killer?