Kevin Whately and Laurence Fox return for one last time as Inspector Lewis and CS Hathaway, investigating new cases of murder and other crimes in the seemingly perfect academic haven of Oxford.
When an eminent mathematician is killed in a bomb attack, Lewis and Hathaway quickly discover the victim was a notorious philanderer with many enemies. When a bomb is discovered at the home of the victim’s brother, also a mathematician, the case moves in another direction. Then a chemistry professor is murdered. Meanwhile, Lewis’ long-planned trip with his girlfriend is put in jeopardy.