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...

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.

Harry and Nikki make a crucial connection between the dead girls and sex-grooming victim Shannon, but is it too late for Hannah and Lauren?

Nikki is approached to help identify the paltry remains of a serial killer's undiscovered victims.

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

Harry and DI James deviate from the original investigation to secretly test DNA evidence from the rival Chesham laboratory to try to solve this stalled case.

When the Van Burens' au pair commits suicide, the pathologists start to unravel the truth behind the embassy shootings, and a dark family secret is exposed.

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.

Having established that Lieutenant Lockford was murdered, Leo makes a startling breakthrough, and the investigation begins to unmask a dark secret at Hillsdon Army Base.