Counterfeit bills are being printed in Canada and shipped across the border hidden in blocks of ice. When the counterfeiters force engraver Bronson to make a new plate, he inscribes a tiny help message on it. Renfrew catches a henchman who has one of the new bills. A magnifying glass lets him read...
A young slacker circumstantially gets involved in the smuggling of falsified English pounds via Trieste-Yugoslavia route. He helps the police to solve the case.
