Synopsis

Sixteen months have passed since the events of Day 3. A commuter train en route to Los Angeles is destroyed in an explosion. From the wreckage, a man steals a suitcase and then murders its owner. Dismissed from the Counter Terrorist Unit, Jack now works for Secretary of Defense James Heller. He is developing a serious relationship with Heller’s daughter, Audrey. In Los Angeles for a meeting with Erin Driscoll, the woman who fired him a year prior, Jack finds himself estranged within CTU by Dr