Bowery at Midnight casts Bela Lugosi as Professor Brenner, a psychology instructor at New York University (which looks a lot like Berkeley in the exterior shots!). When not enlightening his students -- most of them buxom Monogram starlets -- Brenner is engaged in charitable work, running a mission in the Bowery. In truth, however, the kindly professor is a fiend in human form, who uses his mission as a front for a vast criminal empire. When Judy (Wanda McKay), one of Brenner's students, stumbles onto the truth, she's targeted for extermination by the Dr. Jekyll-and-Mr. Hyde prof.