Team Scorpion’s mission to recover the remains of fallen Marines in Vietnam is threatened along with their lives when a deadly tornado heads directly towards them.

The CSIs arrive at their favorite diner only to discover a gruesome crime scene with eight dead victims and a lot of questions

Don strikes up a friendship with the surgeon in his building, Peggy tries to save her campaign, Roger makes a scene at his mother’s funeral, and Betty goes to Manhattan…

Don and Megan take a trip to Hawaii for the holidays, Sally’s friend visits the Francis family, a comedian torpedoes Peggy’s Super Bowl ad campaign, and Roger gets some bad…