On Christmas Eve, Scorpion receives a mission from the DWP at the Augustine Power Station on Mount Baldy, which may go critical after a 50-foot pine tree uproots and crushes the building’s wall. If the transformer gets flooded and shorts, 100,000 people will lose power on Christmas Day. After they re-boot the computer and engineer the roof, they notice a mudslide spilling into the reservoir has put a crack in the nearby dam’s wall following torrential rains. Now, they have to stop the dam from breaking and wiping out the town down in the valley by repairing it. Walter deals with Megan’s death by putting her ashes in a coffee can in his glove compartment and talking to himself. When Walter misplaces his pet ferret, he is so overwhelmed by the loss that his emotions finally get the best of him in front everyone; he really misses Megan. The Karmen Prize committee notifies him that he has won the $15 million grant, but he decides to launch the rocket to honor his sister.