Secretariat follows the legendary journey of the 1973 Triple Crown champion. Penny Chenery takes over her father's Meadow Stables in Virginia, although she's just a beginner in horse-racing field. With the help of veteran trainer Lucien Laurin to overcome all obstacles, Chenery manages to run the male-dominated business, eventuallly bringing up the first Triple Crown winner - Secreteriat in 25 years.