Exceptional suicide incidents occur in a Muslim country in a very strange and mysterious manner, and in an educated and wealthy society of men, where a man commits suicide in a horrific way, such as slaughtering himself or throwing himself from above, and does not use easy methods to commit suicide, which made the security men wonder and ask among themselves: What is the matter? The reason that made them commit suicide? Are these incidents considered suicides or murders? Due to the lack of evidence, the case becomes more complicated and many circumstances arise, and a number of people are arrested, who in the end, after their execution, discover that they were just victims and bait for the real killer. The novel The Last Supper is a first-class detective novel and very mysterious.