Exclusive pictures and an episode Synopsis from "Undercovers" Season 1 Episode 3: "Devices", which airs on October 6th, can be found below:

When an informant claims to have information on a codebreaking device that would
compromise the identities of every agent in the CIA, Shaw sends Steven and
Samantha to Berlin to verify the man’s claims. When the informant is killed, the
duo meets with Hoyt and Leo to check out the allegations. As the team travels
throughout the city, they are surprised to learn that the device isn’t as it
seems. Amidst the danger around them, Steven and Samantha struggle to find the
balance between being partners and husband and wife while out in the field. Back
in Los Angeles, Lizzy connects with a man while catering his father’s funeral.