The Deadliest Lesson

Fresh out of prison after serving time for murder, Adam returns to his old stomping grounds to seek out a son who doesn't know him. Eli, the brother of the man he killed is looking for revenge. Mike, is trying to escape a life of crime living under the thumb of his gangster Uncle.

Walker investigates a murder connected with a missing government weapon. In addition, he tries to track down a teen on the run from a crime syndicate.

Travelling on the 4.50 from Paddington, Mrs McGillicuddy witnesses a murder on a passing train - but where is the body?

When an old friend of New York Sentinel Crosswords editor Tess Harper is found murdered on the very day her puzzle includes his proposal of marriage, Tess unofficially teams up with Detective Logan O’Connor to find the killer.