You're going to love the first couple of minutes of this; a slimy newspaper columnist is blackmailing half the town, and making his rounds to pick up his hush money on a dark and rainy night, meeting treacherous dames and murderous thugs and being tailed by a shadowy figure who may or may not be THE Shadow. The sequence is beautifully directed and photographed. Then the columnist is murdered, and the rest of the movie breaks out, and we're left with a non-stop horror show, simply one of the worst movies I've ever seen. The Shadow (Kane Richmond) is suspected of the murders (a cop is killed, too) so Lamont has to clear his good name, much to the chagrin of the shrewish Margo Lane (Barbara Reed again), who wants him to knock it off and marry her and who shows all of the subtle nuance and charm of the 50-Foot Woman. After screaming at Lamont throughout the first half of the picture, and even smacking him a few times, Margo decides to don her own Shadow disguise and help her man solve the case. He's got his nitwit assistant Shevvy (played, thankfully, by a different actor in this film, although George Chandler is much better as a funny witness in his other films than as a funny sidekick in this whole movie) so she gets a nitwit assistant, too, Dorothea Kent. Million-dollar Dialog: Margo, donning her Shadow togs: 'How do I look?' Dorothea: 'Like an accident, going somewhere to happen.' As if this isn't bad enough, Joseph Crehan and Edward Gargan are dragged in to perform the tired 'gruff, barking cop and stupid, idiot assistant cop' routine. While Margo is dressed as the Shadow, she's punched in the face and knocked out twice, and it's telling that I didn't mind one bit. It shut her up for a while. By the 15 minute mark of this 67 min. opus, I was checking the time and sighing; by the 20 minute mark I was in pain; by the 25 min. mark I tried to think of a good reason to keep watching. Seriously, I finished it, but for you people, not for me. There have been a lot of takes on the Shadow over the years, so I'm not going to chide the Monogram Shadow for being something different. Obviously, I don't have a problem with super-hero spoofs or Monogram films or comedy-mysteries. Kane Richmond is a handsome and appealing actor (but if he could do comedy, he doesn't show it here). But these Shadow films are so unpleasant, unfunny, obnoxious, and stupid that they make my skin crawl just to think of 'em. Mr. Richmond made only one or two films after The Shadow trio and then retired, and I agree with him: they make me lose my enthusiasm for the motion-picture business, too. Million-dollar Review of Behind the Mask: A dismal comedy with scant mystery interruptions.' - Ron Backer, Mystery Movie Series of 1940s Hollywood I have nothing else to add.