Jay agrees to sub in on Cam's bowling team, not knowing it's an all-gay league; Phil and Clair have an unexpectedly nice time with their neighbors; Gloria and Mitch agree to go out with Haley.
C.J. fights back when a special prosecutor begins investigating the president's non-disclosure of his illness.
The president's bid for re-election could be in jeopardy after Sam realizes Bartlet never apologized for concealing his condition and C.J. makes a crucial mistake at a press conference.
When Intelligence follows up on a tip about an upcoming drug trade, the team discovers a man's mutilated body; Burgess helps plan a surprise for Platt.
A crisis erupts when a U.S. spy submarine disappears in North Korean waters, putting the president in the position of either notifying the enemy or attempting a rescue.