Lewis and Hathaway investigate when a controversial American academic is murdered after speaking at Oxford’s Department of Criminology.

In the final episode the race is on to find out who is going to release the flu. The gang track down Dobri Gorski, where he tells them the names…

When a troubled young woman’s father is killed just weeks after her mother’s death, Father Brown must help her deal with her grief, while solving the father’s inexplicable murder by…