Philip and Elizabeth attempt to deal with the consequences of their actions as they attempt to complete a new bio-weapons assignment.
Family tensions hit boiling point in the Jennings house as Phillip attempts to get rid of a very sensitive and dangerous package.
An important flaw in the mission forces the agents to confront the depth of their patriotism.
Philip needs to make a difficult decision from which there is no return.
A stunning new development in Wiliam's work causes the Jennings to face the dangerous realities of a biological war.
The FBI and the KGB battle it out to try and locate an important agent.
Elizabeth and Philip both need to deal with loyal agents.
Knowing exactly what is at stake, Elizabeth needs to complete the painful ``Patty'' operation.