Walker and Alex are trapped on board a crashed plane that sinks to the bottom of a remote lake.
It's a very scary Halloween for some Dallas children when they are kidnapped and held hostage by "Lucifer" and a group of devil worshipers.
Trivette believes he is responsible for the accidental shooting of a 6-year-old boy, which results in him being suspended pending an investigation.
As a gang of military-style robbers conspire to steal the Sultan of Kunai's royal jewels and Walker's nemesis plots his execution, Trivette goes undercover as a getaway driver to try and foil their dual plan.