Dr. Sam Ryan is called to the scene of the tragic death of a six-year-old girl, Sarah Crew, who is thought to have fallen from a rope-swing over a river and drowned and the police surgeon has called in the pathologist. Sam has to work out if her death was an accident or murder.

Sam investigates a ritualistic murder - a man is found dead by a man walking his dog, the main suspect is Sebastian Bird. Everything leads to Bird. When another body is found and the police discover a book about black magic in his house they are sure of his guilt. Sam thinks he is innocent and continues to look for the true killer.

Sam investigates a ritualistic murder - a man is found dead in his house, the main suspect is Sebastian Bird. Everything leads to Bird. When another body is found and the police discover a book about black magic in his house they are sure of his guilt. Sam thinks he is innocent and continues to look for the true killer.

A man is found dead in his cell. It is clear that he has been murdered. Sam comes to the conclusion that one of the officers who was in the police station at the time of death has to be the killer. A police officer is also found dead, the conclusion is that he killed the man and then committed suicide. Sam thinks that they are both murders and tries to solve the case by finding the real perpetrator of the murders.

Dr. Sam Ryan's advice is sought on when the arranged marriage of a Vietnamese student, Tran, to an older man goes tragically wrong when a charred body is found in the burnt out restaurant owned by Tran's father - The victim is the man which Tran was forced to marry. Sam investigates the murder.