Back in San Francisco after their holiday in New York, Nick and Nora find themselves trying to solve another mystery. It's New Year's Eve and they are summoned to dinner with Nora's elderly, very aristocratic family. There they find that cousin Selma's husband Robert has been missing for three days. Nick reluctantly agrees to look for him but the case takes a twist when Robert is shot and Selma is accused of murder. Several other murders occur, but eventually Nick gathers everyone in one room to reveal the identity of the killer. 　　译文(2): 在纽约度假回到旧金山后，尼克和诺拉发现自己正在努力解决另一个谜团。今天是新年前夜，他们被召集到诺拉年迈的贵族家庭共进晚餐。在那里他们发现表妹塞尔玛的丈夫罗伯特已经失踪三天了。尼克勉强同意去找他，但是当罗伯特被枪杀，塞尔玛被指控谋杀时，案件发生了转折。还发生了其他几起谋杀案，但最终尼克把所有人聚集在一个房间里，揭示了凶手的身份。