Toby and Mandy push for a commerce bill with a census-counting provision, with three votes as the deciding factor. Sam tutors CJ on the finer points of the census. Josh & Sam take Charlie out for a beer and are joined by Zoey and Mallory.

Josh investigates the suicide of a pilot with whom he has things in common; Donna tries to get an invitation to the Congressional Christmas party to hear Yo-Yo Ma perform; Jed insists on signing a mountain of Christmas cards himself; after a White House visitor has a strange reaction to a painting, C.J. sets out to discover its provenance; following weeks of volatile behavior and an outburst in the Oval Office, Josh meets with representatives from the America Trauma Victims Association and finally deals with the trauma from his shooting.

During an online chat, the Surgeon General comments favorably on the legalization of marijuana. The controversy heightens when Ellie Bartlet tells a reporter that her father would never fire the Surgeon General. Toby asks his ex-wife, a Congresswoman, for her help in strongly persuading Seth Gillette to participate in the Social Security panel.