With supplies low, the 4077th gets a truckload of ice cream churns and salt tablets. But what it needs are light bulbs, and in the dimly lit post-op Charles makes an error for which he draws the ultimate wrath of his two surgeon bunkmates. Meanwhile, B.J. receives a mystery novel that everyone in camp reads in turn. The last page is missing and the solution to the mystery is undiscovered until B.J. calls the author by long distance.

New military money is going to be issued in order to help keep counterfeiting down and when Col. Potter tells the camp to prepare for it, Major Winchester comes up with a scheme to make money on the event. Corporal Klinger gets a invite to possibly be accepted into Westpoint.