 A series of 12 2-reel mystery thrillers, each story complete in itself. Episode titles: #1: The Strangler s Cord; #2: The Disappearing Necklace; #3: The Secret Code; #4: The Riddle of the Rings; #5: The Substitute Jewel; #6: A Double Identity; #7: The False Clue; #8: When Thieves Fall Out; #9: Under Oath; #10: The Wolf s Prey; #11: The Man on Watch; #12: The Man in Irons.