The KGB thought that there wouldn't be any blow-back after sending a Directorate S agent into Israel to use El Al airlines to detonate a nuclear weapon in New York City.
They were wrong.
Saul Greenbaum is dead, Marin Sutcliffe and Jacob Mitzak have returned to New York and The Box has been decommissioned.
Will Hessler is now alone, out on his own and headed to Moscow to deliver a message to Colonel Sokolov and anyone else who had a hand in an operation that nearly killed thousands.
You went too far, and now you have to pay.