Harriet Madeley

During a lecture tour to London, an American psychologist decides to look up her hitherto unknown half-sister and find out about her father who died 10 years earlier. But as she delves into the truth surrounding her father's death she encounters a family that has created a wall of secrecy and lies.

A group of young urban explorers and a private military unit could become the final pieces in a 60-year plan to reopen a door that should have stayed closed. But what they unleashed could almost tear our world apart.

Inspector Robert Lewis and Sergeant James Hathaway solve the tough cases that the learned inhabitants of Oxford throw at them.