Cold KillEven deadlier than terrorists are the men trying to stop them. People smuggling, counterfeit currency, and attempted murder. It's all in a day's work for undercover cop Dan 'Spider' Shepherd. But what starts as a run of the mill investigation quickly turns into a matter of life and death when he uncovers a terrorist cell on a mission of death and destruction. The target: hundreds of passengers on a cross channel train deep below the English Channel.