Sam and Callen find a way to end the shootout with ATF Adams. Deeks and Bly continue Overwatch and make some decisions that are either exciting or simply dangerous. Nina Barnes goes on an undercover assignment with Sam so Callen can get to an air gaped computer. Undercover ATF comes to an end. Roundtree's sister gets an answer about medical school and they get a response to their lawsuit against LAPD that could change everything for them. Bly and Deeks gets some surprising news. Callen and Anna finally make it to the alter. Then the team prepares for one last mega mission.
