Eccentric Professor Gibbs, brilliant but impractical, invents an invisibility machine and advertises for a guinea pig. What he gets is Kitty Carroll, an attractive, adventurous model, who thinks being invisible would help her settle a few scores. Complications arise when three comic gangsters steal the machine to use on their boss. Starring Virginia Bruce, John Barrymore, and John Howard. The third movie in the British series of Invisible Man movies. Virginia Bruce is great as the Invisible Woman!