Get a lesson in how war bonds and stamps work, as the opening commercial tells that stamps don’t earn interest. So get those stamp books filled, and convert it to a bond. More war time life is revealed then we join the gents, and Lum reminding Abner to collect ration stamps when he does his deliveries.
Abner is preoccupied, anticipating doing chemistry experiments with grandpap. Taking a break from intense pinball playing, Cedric enters to buy his favorite… a big jar of peanut butter. Wonderful world! The education on putting spare change to work buying war stamps, in addition to payroll deducted war bonds is described in more detail.
Abner had been worrying over brandpap doing experiments without him, but excitement takes over when a phone call reports the new invention. Invisible ink!. Lum is still listing off what money from war bonds and stamps will buy to support the troops. Wait, can Cedric buy stamps and send in for some of those things? Bullets, hand grenades, and the like? Lum sets him straight on the importance of bonds, and grandpap calls in with a final problem with his invention of invisible ink.