Holmes takes a vacation and visits his old friend Sir Henry Baskerville. His vacation ends when he suddenly finds himself in the middle of a double-murder mystery. Now he's got to find Professor Moriarty and the horse Silver Blaze before the great cup final horse race.
Big Steve Halloway, gambler and proprietor of New York's Horseshoe Cabaret, is in desperate need of money. He arranges for his fellow bookies, especially Sorrowful Jones, to each pay him $1,000 for his racehorse, Dream Prince, to lose. With all bets being placed at the window, Sorrowful encounters a gambler, having lost $500, wanting to place his bet but unable to come up with $20. Instead, he places his little girl, Marthy Jane, as security, or in bookie's terms a "marker". "Marky", as she comes to be known, winds up under the care of Sorrowful Jones and his lady friend, singer Bangles Carson.
A wholesome girl believes her new racehorse, October, is the reincarnation of her favorite uncle, Willie.
A young couple's marriage is threatened by the husband's love of horses and the racetrack circuit.
A cowboy on the run from the law gets mixed up with a crooked horse race scheme.
A Kentucky horse owner hires an ex-jockey, who is now working as a waiter, to train his thoroughbred race horse for an upcoming race. However, a gambling ring that doesn't want the horse entering the race has other plans.
An intimate and thrilling portrait of a young Siksika woman and the deep bonds between her father and family in the golden plains of Blackfoot Territory as she prepares for one of the most dangerous horse races in the world… bareback.
Maj. John Furth, a Southern race-horse owner, borrows money to enter his prize racehorse Blue Bird in a race back east, hoping to win enough money to replenish the family fortune. A crooked horse trainer, planted by the man who loaned Furth the money and who wants to marry his daughter Barbara, claims that Blue Bird is a "man killer" and must be shot. Charlie, a neighboring miner who also loves Barbara, doesn't believe it and takes Blue Bird to his mine. Complications ensue.
Young Brierly struggles to save his father, Major Brierly, from the clutches of alcohol after the Great War. At the same time, he prepares Major Brierly's horse, which served bravely with the Major at the front, for the Kentucky Derby.