The mission to uncover Emmett and Leanne's killer takes a turn when the prime suspect Andrew Larrick appears to be innocent. The Jennings are tasked with recruiting him to help them with another mission on The Americans Season 2 Episode 6.
Lucia returns and helps Elizabeth get access to a Congressional office. She makes the tough decision to use the aidse and then has to get rid of him when the job's down.
The dark side of the spy business is all around and none are sucked in more than Stan.