Damian, coming in from the cold, is being interrogated by Hannah and Aaron regarding his status as a double agent working for the Russians. Because of what happens external to the interrogation, Hannah and Aaron have no other option but to believe his assertion that he has information and can assist in following up on leads on an issue with which Tom and those in the war room are currently dealing. A software malfunction - what ends up being a computer hack - with the Soyuz space capsule at the International Space Station (ISS) has led to a depletion of potable water at the ISS, they needing to get over the malfunction even to get a capsule to the ISS to deliver fresh water. The astronauts at the ISS are in imminent danger if the situation cannot be overcome. While Hannah and Damian work on the issue of the hack which does involve the Russians peripherally, Tom calls in a consultant from the business community, that act which has unintended consequences in the White House in Lyor's ...