Plot summary
Scorpion is back in business after new Homeland Security director Adriana Molina tasks them with a case when the nuclear-powered Russian K-12 satellite is knocked out of orbit by space debris. They race to the Rocketry Aeronautics Center to divert the now-turned A-bomb 's course before it detonates over Southern California. But after last year's car accident, Walter is not one hundred percent physically or mentally there due to a hand injury and post-concussion syndrome. His hidden feelings for Paige have also seemed to cloud his judgment. When problems arise on the job, they have to work extremely close together. Later, they test their theory of the team vs. their attraction with a working hypothesis of a kiss.
Credits
Adapted from Wikipedia contributors, List of Scorpion episodes. HTML formatting and reference markers removed.