Team Scorpion must put aside their personal and romantic predicaments when anonymous hackers with unknown motives take control of U.S. military aircraft and warships and point weapons at American cities. But, just as Team Scorpion makes headway against the hackers controlling U.S. naval destroyers, they learn that a U.S. nuclear submarine also has been hacked and has a missile about to launch.

The CSIs investigate the demise of a prominent news anchor during a live broadcast. (TV-14, V)

When a lab tech is murdered in a case that has eerie similarities to a 1950's cold case, the CSIs get a glimpse into what goes on in the shadows of the lab. (TV-14)

The chef at Ray's restaurant seems to be getting drunk on the job, but Hank believes it's not just a matter of hitting the bottle. Also, Divya makes a decision about her future.