Agrega una trama en tu idiomaLee Graham (Bruce Bennett) and Johnny Davis (Frank Albertson) are U.S. government agents, aided by Ann Carter (Leslie Brooks), assigned to prevent German spies involved in a telephone-tappin... Leer todoLee Graham (Bruce Bennett) and Johnny Davis (Frank Albertson) are U.S. government agents, aided by Ann Carter (Leslie Brooks), assigned to prevent German spies involved in a telephone-tapping scheme from infiltrating a California war-defense plant. To help them in their cause Lee... Leer todoLee Graham (Bruce Bennett) and Johnny Davis (Frank Albertson) are U.S. government agents, aided by Ann Carter (Leslie Brooks), assigned to prevent German spies involved in a telephone-tapping scheme from infiltrating a California war-defense plant. To help them in their cause Lee invents an ingenious word-scrambler which leads to the round-up of the German spies.