Story
Katie O'Doone is left a worthless, run-down estate and a thoroughbred race horse. She mortgages the property in order to get the money needed to enter her horse in the Derby. Dennis Reilly, a wealthy sportsman, also has a horse in the race and his jockey accidentally runs Reilly's horse into Kate's horse, causing her horse to lose. She swears vengeance on O'Reilly. She is forced to go to work for a crooked bookie, Jake Trumbull, and a crooked competitor of Reilly's,Tod Cuyler, who plan on switching a dead-ringer horse for Reilly's favored-to-win horse, and clean up betting against Reilly's horse.
Story
Beautiful Dot Walker is part of a ring of crooks in San Francisco, who use her to lure impressionable young men into a crooked card game. Young Johnny has come to the big city to sell his grandmother's hotel back in his home town, but he falls under Dot's spell, gets suckered into the game and loses all his money. He asks his newfound "friends" to come back to his hometown to buy the hotel. They accept but are actually planning to swindle Johnny's grandmother out of her hotel. It turns out that Granny isn't quite the easy mark they thought she would be.
Novel
Believing she's responsible for the death of her would-be seducer, a young woman flees to North Vancouver.
Story
On an island in the South Seas, derelict Tony Heritage is rescued from savage natives by trader and ship captain Rod McLean, but repays him by stealing Rod’s money and fleeing to France. There, Heritage marries a young French woman named Joie Malet, but her father, Captain Jean Malet, having discovered his miscreant past, snatches Joie from the altar stairs and takes her to a South Sea island where he has been posted. Tony Heritage follows, but Capt. Malet keeps him away from Joie by giving him a job on another island, helping Rod McLean build a new trading post.