A runaway train ploughs through country stations on a collision course with another train. Lawson sets foot on the relentless express, unaware that he is on his own collision course with Andrew Kronin. As the final showdown beckons, Lawson will have to overcome more than just the train if he is to win back his teammates' faith.

Tactical Respose race into town, on the hunt for Oliver Ginsberg. They learn that Ginsberg has placed a very large bomb under the city and that he has plenty more deadly tricks in store for them. Lawson finds himself in an awkward position when he must work with Dom, now a member of the bomb squad, to defuse the bomb.