Los Angeles SWAT cop Jack Traven is up against bomb expert Howard Payne, who's after major ransom money. First it's a rigged elevator in a very tall building. Then it's a rigged bus--if it slows, it will blow, bad enough any day, but a nightmare in LA traffic. And that's still not the end.
A prototype enhanced human, on the run from Chinese-hired hit men, hooks up with a dread-locked bystander, and the two of them elude their pursuers narrowly each time.