Almost two years after the Embassy attack in Islamabad, Carrie is building a new life in Berlin. But her peace is threatened when a request from her boss forces her back into the dangerous world she left behind.

Carrie and Düring visit a refugee camp. Saul and Allison are at odds. Quinn stays on mission.

Jonas and Carrie revisit her past. Quinn stalks his prey.

Answers elude Carrie. Laura asks Jonas for help. Saul and Allison run an operation.

Saul orders a sweep at the station. Carrie looks to Düring for support.

Carrie reconnects with old friends. Saul opens up to Allison.

Carrie needs Allison's help. Quinn's plans change.

The CIA and BND make a play.

A new threat emerges.

Carrie follows a lead.

The clock runs out.