During a school competition, the body of one of the students is found in a haystack... Young teacher Michael Evans, under suspicion, asks his friend Nigel Strangeways to take on the case. And Nigel, having interviewed all the students and teachers of the college, understands: many of them are hiding something... The famous pilot Fergus O'Brien dies at the Christmas dinner he hosted. The police's first version is suicide. But is she true? Almost every one of those invited could have malicious intent. Someone dreamed of getting O'Brien's money, and someone harbored a mortal grudge against him... What secrets did the famous ace have? Nigel Strangeways is looking for the answer to this question...