Started watching this recently.
The 2 leads play KGB spies leading American lives in DC. They have 2 children who have no clue that their parents are actually Russian/spies. The 2 leads live norman lives...all the while gathering info/etc for Mother Russia.
Then, by coincidence, they get a new neighbor who happens to work for the FBI counter intelligence unit. He feels something is off with the family.
So far, I am liking this. Only maybe 4-5 episodes in. But I would...