A Communist agent, Karl Maur, spots Paris on vacation, knocks him out and turns him over to Dr. Tabor, who is a brain specialist and mind control expert. Unable to break Paris, Tabor blanks out Paris' memories and uses an implanted electrode to program him to attack Jim by convincing the disguise expert Jim represents an authority figure, similar to the ones he has lost two women to in the past. Doug and Jim find nothing wrong with him, but Barney finds fingerprints pointing to Maur and Jim delays reporting to the Secretary and tries to find out what's going on with Paris. Paris is befriended by a Communist agent working with Tabor - Tabor murders her and makes it set up as if Jim did it. Paris attacks Jim but snaps out of it when Jim's life is threatened and turns against Tabor.
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