Luck is a gritty, atmospheric drama set in the world of horse racing, centering on Chester 'Ace' Bernstein, a man who has spent his life involved in gambling and organized crime. After serving a three-year prison sentence, Ace returns to the racetrack with a complex, long-term plan to exact revenge on those who betrayed him, while simultaneously attempting to build a legitimate racing empire. His path crosses with a diverse group of characters, including aging trainers, desperate jockeys, and high-stakes gamblers, all of whom are chasing their own versions of success and salvation at the Santa Anita Park. The series explores the intersection of human ambition, addiction, and the unpredictable nature of the sport of kings. As Ace navigates the treacherous waters of track politics and underworld dealings, the show delves into the lives of those who live on the fringes of the racing world, highlighting the thin line between winning and losing. The narrative is noted for its realistic depiction of horse racing and its deep, character-driven storytelling, capturing the beauty and the cruelty inherent in the industry.