Polly Lee

Philip and Elizabeth receive surprising news about Henry and shattering news about a past operation. Philip wonders about something dark going on with Stan, who may be falling in love.

Philip must take stock of his life with Martha and make a difficult choice, from which there is no return.

Both the FBI and the KGB compete to try and find an important agent; the Jennings are forced to face the reality of what biological warfare would mean.

A crucial flaw in the mission forces the agents to confront both their mortality and the depth of their patriotism.

After rescuing a young girl from a sex trafficker, Benson and Stone take drastic measures to reunite her with her mother.

Things get personal for Dr Halstead when his father is admitted to the hospital. Dr Manning feels the impact of being a working mother.