Gibbs and Kate suspect the CIA may be involved in the demise of a Navy officer, and believe that an espionage expert's work could lead them to the killer.
An assassination attempt on President Bartlet leaves some of his team fighting for their lives, and a crisis in Iraq requires immediate action.
The president's bid for re-election could be in jeopardy after Sam realises Bartlet never apologised for concealing his condition, and CJ makes a crucial mistake at a press conference. Bartlet must make a decision regarding a military rescue.
Bartlet refines his re-election speech, and contemplates adding a public apology to his remarks, CJ considers what actions to take to defuse her ill-timed remarks, and Babish educates Charlie about the costs of legal representation.
The newly-elected Haitian president seeks asylum in the US Embassy after being attacked, and Josh encounters a roadblock in his campaign to raise money to fight big tobacco companies.