Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.

When Stokes learns that a man he helped put in prison is going to have his conviction overturned, the CSI team needs to prove the killer is guilty again or he will be released.