Steven and Samantha Bloom, formerly two of the CIA's best spies, are reinstated when a good friend goes missing.
Steven and Samantha must rescue a scientist who is kidnapped by the security detail that was hired to protect her.
An informant claims to have information about a device that would compromise the identities of all CIA agents; Steven and Samantha struggle to find the balance between being partners and a married couple while in the field.
When an important CIA hard drive goes missing, Steven and Samantha must go to Ireland to search for a prisoner who holds the key to its location; Lizzy invests time and money in the catering business.
Samantha and Steven's mission becomes complicated when the North Korean physicist they must locate refuses to come to the U.S. without his daughter; Samantha misses Lizzy's celebration.
Samantha and Steven are sent to Tuscany to retrieve a weapons dealer and the formula to a lethal biological weapon; Samantha must assume a former cover that involves partnering with Steven's rival.
Samantha puts her own life in danger when she becomes too emotionally invested in a mission in Peru; Lizzy caters a party for one of Samantha's friends.
Samantha and Steven must find a man with a bomb but face unexpected challenges; Shaw wonders how much time he has left before the Blooms become suspicious.
When Leo wakes up in a hotel in Mexico with a dead woman next to him and no memory of what transpired, Steven, Samantha and Hoyt travel south of the border in hopes of putting the pieces together to prove Leo's innocence. The stakes get even higher when Shaw unexpectedly arrives with news of a dangerous terrorist on the loose.
Steven and Samantha must recover stolen American currency plates before they are used to make counterfeit money; Leo helps Lizzy make a decision about her future.
Steven and Samantha are pulled away from their romantic Greek vacation to help with a hostage situation in Tel Aviv.