Bookmaker Ned Talbot, dealing with having to pay out a large sum of money after the first day of Royal Ascot, is reunited with his father, who he believed was dead, only to see the man killed an hour later, leading Ned to race to uncover secrets in the man's past and the reason for his murder.

This spirited adventure series revolves around a wild Arabian stallion-turned-racehorse named the Black and the only one who can ride him, young Alec Ramsay.