When an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way to stop it is to drill into its surface and detonate a nuclear bomb. This leads him to renowned driller Harry Stamper, who agrees to helm the dangerous space mission provided he can bring along his own hotshot crew. Among them is the cocksure A.J. who Harry thinks isn't good enough for his daughter, until the mission proves otherwise.
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.
After the ordeal with Samara, Rachel and Aiden move to a rural town. But soon Rachel learns about the death of a girl in a similar fashion. To save Aiden, she must dig into Samara's past even further.
