Smashing the Spy Ring

In this espionage drama, a G-man keeps an enemy spy from stealing highly classified plans for military equipment. While investigating he falls in love with a lovely woman whose brother, also an FBI agent was killed. Later the agent sneaks into enemy headquarters by feigning amnesia and pretending to be the renowned scientist who developed a new nerve gas. His "condition" gets him committed to the hospital that the enemy agents are using as a cover. ~ Sandra Brennan, All Movie Guide