When a replica toy train locomotive is found at a homicide scene, Special Agent Sandra Rose is seconded to help with the investigation.

Rose calls on the Railroad expert, and former FBI agent, Samuel Lynch, and together they follow the path of destruction as body after body is discovered on the railway lines between Chicago and San Antonio, the route of the Texas Eagle train line.

When Rose’s sister goes missing and national security concerns reach fever pitch, Lynch and Rose have to face the unthinkable. The FBI’s number one most wanted is playing a game with them and they must risk everything to stop him rebuilding his empire.

The Controller is back.