Mrs. Worthington confesses she faked insanity to prevent her nephew from forcing her to change her will.
Boston Blackie investigates when a maid flees the Worthington mansion, claiming she saw a ghost. After the maid dies of fright in a locked room and Mrs. Worthington appears to go mad, Blackie uncovers a plot involving inheritance threats and a clever ruse, proving the ghosts were a human fabrication.
