“It’s not fair to kill like that!” Wally Carter, the insufferable husband of a millionaire, was killed during a picnic. The case seems to the experienced inspector Hemingway is quite ordinary, because the motive to get rid of Wally was many his wife, her longtime fan, stepdaughter, pupil and even a guest at home. However, very soon the inspector finds that none of the suspects had the time or opportunity to use the murder weapon. Literally everyone has an alibi. A merry Christmas celebration in a rich country mansion ended in a scandal: the owner of the house quarreled with the guests, and finally promised to deprive his nephew of his inheritance. And in the morning the owner of the mansion was found dead in the bedroom, with a dagger in his chest. Inspector Hemingway, the head of the investigation, is sure that his uncle was killed by his nephew, because he had a serious motive. This is indicated by the evidence .. But there were other people who wanted him dead. No one has an alibi...