Spiders web - Agatha Christie

Clarissa, the young wife of a foreign office diplomat, delights in tweaking the sensibilities of her more serious friends be playing a game she calls "supposing"- imagining a difficult situation and finding out how people would respond. But Clarissa's lighthearted game becomes deadly serious when she discovers the body of an unknown person in her own drawing room. If that weren't had enouch her husband is on the way home with an important foreign polite cian. Clarissa decides to dispose of the body and persuades her three houseguests to help. But before she can get the compse of the premises, a policeman knocks at her front doot. Now Clariss must keep the body hidden, convince the skeptical police inspect that there has been no murder, and, in the meantime, find out who has been murdered, why, and what the body is doing in her house