Geçirdiği ağır bir kalp krizi sonrası, doktorların tüm karşı çıkışlarına rağmen hastaneyi terk eden Avukat Sir Wilfrid Robarts evine döner. Henüz ilk günden davalar kapısına yığılmıştır. Fakat bunlar arasında bir cinayet davası vardır ki, adeta Robarts’ı yeniden hayata döndürür. Leonard Vole adındaki bir adam, yaşlı bir kadını öldürmekle suçlanmaktadır. Fakat uzun yılların verdiği deneyimle Robarts genç adamın masum olduğuna inanmaktadır. Davayı üstlenir, fakat tam her şey sonuca bağlanacakken beklenmedik bir şey olur. Davalının eşi Christine Helm, kendisine karşı tanıklık etmeye başlamıştır. Fakat neden?

Sir Wilfred Robarts, a famed barrister is released from the hospital, where he stayed for two months following his heart attack. Returning to the practise of his lawyer skills, he takes the case of Leonard Vole, an unemployed man who is accused of murdering an elderly lady friend of his, Mrs. Emily French. While Leonard Vole claims he's innocent, although all evidence points to him as the killer, his alibi witness, his cold German wife Christine, instead of entering the court as a witness for the defense, she becomes the witness for the prosecution and strongly claims her husband is guilty of the murder.

A single blind date suffices for handsome gentleman Scott Peterson, a traveling salesman, to seduce Amber Frey all the way. When a colleague finds out about his marriage, she believes him to be a widower. Later however it becomes clear his wife was alive and pregnant, but is missing. Pregnant herself, Amber hears his wife and baby's corpses were found and records his phone calls for the police. Ultimately she's the key witness is his murder trial.

Agatha Christie tale of a man on trial for murder: a trial featuring surprise after surprise. Not to be confused with the later Hollywood adaptation.