Silent Witness

Forensic Pathologist Dr. Samantha Ryan moves back to Cambridge from London to take up a consultant's post at the Park Teaching Hospital. Sam's first case is 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. But when Sam finds evidence of previous physical abuse, Inspector Tom Adams begins a murder investigation.

Dr. Sam Ryan is called to the scene of the murder of Mark James, a young man whose badly decomposed body cannot hide the signs of a ritual element to the killing: there is an upside-down cross scored on his back and a ligature around his neck. Then when a second murder follows, Sam follows the trail of clues into the world of the occult.

When a death occurs in police custody, the footprints of the man who was sharing his cell are found all over the body. It looks like an open and shut case for Dr. Sam Ryan. But just as the investigation appears to be over, Sam receives a note written on police notepaper that re-opens the case. It seems that the real culprit may have been a police officer, but which one?

Sam is called to the scene of a restaurant fire where DI Adams needs her help to identify a badly burnt body. It emerges that the prime suspect is one of Sam's students, who had come to her for advice recently, and Sam needs to decide whether to tell the police. Then when further tragedy strikes, both Sam and DI Adams must face up to their own demons and secrets.

Dr. Samantha Ryan moves back to Cambridge to take up a consultant's post. Sam's first case is the tragic death of a six-year-old girl who is thought to have drowned.

Sam visits Marion in prison and is surprised to learn about her previous relationship. Marion does not deny giving her child tranquilizers in order to save Kim from Gary's furious rage.

Dr. Sam Ryan is called to the scene of a young man whose badly decomposed body cannot hide the signs of a ritual element to the killing.

Fran leaves to come back to find Daniel has become murder victim number two. This time Sam is able to give evidence.

Dr. Sam Ryan is called to tend to the scene of a death. Michael Pearce was picked up for obstruction and assault during an argument outside a gay nightclub.

Sam cannot state for certain whether PC Johns committed suicide or whether he fell. Farmer's station is in turmoil after the loss of a colleague.

DI Adams needs help to identify a burnt body and to establish whether it is murder or a tragedy. The victim would be the father of one of Sam’s students.

Tran disappears and Sam finds the case reminds her of her father's death. When Tran is finally located, Adams is convinced she knows more.