Richard Burrell

"It's the spring of 1939. Big changes are happening at Skeldale House and everyone has to learn how to adjust. Tristan is now a qualified vet while James enters into a new stage of his life with Helen and at the practice. After being made joint business partner by Siegfried, James pushes to take on more responsibility via the Ministry of Agriculture's new bovine tuberculosis testing scheme, but its unexpected challenges risk pushing him to breaking...

While Harry and Nicky investigate DI Bridges, Leo puts himself in danger when he follows his instinct and trails violent prison officer Kessler.

Leo is determined to uncover the truth surrounding the mysterious death of a young girl who was being treated by his college friend Delaney.

Nikki is forced to confront manipulative serial killer Arnold Mears face-to-face in order to save Annie.

Nikki and Harry track down the catholic nun behind the exorcism only to find that John now believes he's possessed, but can he be saved?

When Leo's friend commits suicide, Harry and Nikki are called to the scene of a violent and calculated murder, which is thought to be the work of an apparently dormant serial killer.

Nikki stumbles across a sinister underworld where teenage girls are groomed for sex and forced into prostitution.

With Harry dead and Leo and Nikki getting nowhere with the police, the pathologists struggle to clear Harry's name, while the police seem intent on covering up a wider conspiracy.

When human rights lawyer Anna Sandor calls Harry to Budapest to investigate the death of a client, they start to uncover a sinister underworld conspiracy, putting both their lives in danger.

Nikki's mental instability worsens, and Harry and Leo are forced to get her psychiatric help. But then when the true identity of the murderer is discovered, it becomes a race against time to save Nikki's life.