The story Jewish counterfeiter, Salomon Sorowitsch, coerced into assisting the Nazi operation of the Sachsenhausen concentration camp during World War II.

Tomboy accidentally found a fake dollar and gave it to detective Droplet. The operation is headed by Maj. Kardos. Now they have to investigate the crime in order to find and neutralize the counterfeiters.

Treasury agents go after a ring of counterfeiters operating out of a traveling carnival.