Mary Ferrera spielt System Edgar Wallace - In einem Kasino in Monte Carlo taucht die elegante, schöne Mary Ferrera auf und setzt auf den Höchstbetrag. Sie reist inkognito, nennt sich Miss Hicks und scheint nach einem System zu spielen. Mary Ferrera wird von zwei Detektiven überwacht, die ein gewisser Thomson Dawkes auf sie angesetzt hat. Dann werden die beiden Zeuge, wie Ferrera Dawkes erschießt Spannende Unterhaltung vom Großmeister der Kriminalliteratur.

Richard Horatio Edgar Wallace (1875-1932) was a prolific British crime writer, journalist and playwright, who wrote 175 novels, 24 plays, and countless articles in newspapers and journals.Over 160 films have been made of his novels, more than any other author. In the 1920s, one of Wallace's publishers claimed that a quarter of all books read in England were written by him.He is most famous today as the co-creator of "King Kong", writing the early screenplay and story for the movie, as well as a short story "King Kong" (1933) credited to him and Draycott Dell. He was known for the J. G. Reeder detective stories, The Four Just Men, the Ringer, and for creating the Green Archer character during his lifetime.