This is a rather basic crime drama that showcases the talents of Frank McHugh ("Clancy") and Allan Jenkins ("Duggan") as a couple of detectives called to a big house to investigate the murderous shenanigans of the "Black Ace". The mysterious killer has a habit of impaling his victims and he wants them to see what's coming to them as he does the deed, too! Writer Ralph Spence maintains quiet a bit of suspense as the small cast - led by Chester Morris ("Broderick") and Henry Stephenson ("Drake"), alongside the glamorous Vivienne Osborne ("Martha") keep us guessing as to who might be the elusive m...