简介：ValuedthoroughbredmareSouthernQueenslipsandfallsinamudpuddle,breakingherleg.Beforesheisdestroyed,shegivesbirthtoTommyBoy,whobecomesthefavoriteofhisowner,horsebreederJimRellence.UltimatelyareluctantRellenceisforcedtoselltheone-yearoldtoaprominentsportsman,andTommyenterstheworldofhighstakesracing.Hegoesthroughavarietyofowners,allofwhomhavetheirownselfishagendaforthehorse.UltimatelyheendsupwithRuby,themistressofamurderedracketeer,whowantsTommytofulfillhistruepotentialasastakeshorseandentershimintheKentuckyDerby.…