Ken Ebert

Called in to recover evidence in the aftermath of a horrific explosion on a New Orleans ferry, Federal agent Doug Carlin gets pulled away from the scene and taken to a top-secret government lab that uses a time-shifting surveillance device to help prevent crime.

A visiting city reporter's assignment suddenly revolves around the murder trial of a local millionaire, whom he befriends.

Tensions run high when a crazed bomber rigs a Los Angeles bus with a device that will kill everyone on board if the vehicle's speed dips below fifty miles per hour.