It’s Christmas Eve and Team Scorpion’s electronics-free mountain getaway turns deadly when they come across gun-runners, and Ralph is kidnapped when they try to escape.

With tensions mounting and truths finally revealed, Jax must make the ultimate decision.

Lex hires some thugs to bug Lionel’s office but things get out of control when Lionel and Martha are taken hostage, and Clark must rescue them without revealing his secrets.

While coming home from a late night bachelor party, Nash and some of his fellow cops become embroiled in a train heist gone bad on a BART train.

The CSI team must locate a woman who has been kidnapped and dialed a wrong number on her cell phone. To try and find the woman the team must first…