Meredith Blake, a gentleman crook, learns that the millionaire, Robert Hamilton, has just obtained a priceless scarab. He decides to get it. Accidently his accomplice, "Spider," finds an invitation to attend a reception at the Hamilton home. Blake poses as a detective and also attends. He secretes himself in Hamilton's apartment while "Spider" awaits outside to aid in the flight. After Hamilton has retired, Blake emerges from his hiding place and by the light of the moon shining through the windows obtains the scarab. Hamilton awakes and the "Spider" leaps in and knocks him senseless. Judith, Hamilton's daughter, hurries into the room at the noise and Blake, infatuated with her, has "Spider" carry her out into a waiting taxi. When Judith recovers from her faint she notes the number of the license. Tightly clasped within her hand she holds a fountain pen, which she unconsciously carried with her when disturbed in writing. On her white slipper she makes a plea for help and hurls it out ...
Moving Picture World synopsis