The team turns to Holly Snow for help when a Navy officer's death is connected to a prostitute.
After an explosion blasts through a small town school, the team attempt to locate the bomber before another attack occurs.
The team investigate after a group of teens discover a dead woman behind the wheel of an abandoned car in a Nevada ghost town.
The team are forced to pick up the pieces when a sudden storm sweeps away a dead body and all of the evidence around it.
Capt. Tom Chandler and his crew set out for the Arctic with two virologists and Chandler discovers that the virologists are collecting samples of the source of a virus that has wiped out more than half of the human population.