Jackson (Clifton Collins Jr.) has been racing on the circuit for decades, but now he is facing his last season due to health issues. With the help of Ruth (Molly Parker), who is a jockey, and a promising new horse, Jackson starts to prepare for the upcoming championship.
However, when a young jockey named Moisés Arias shows up claiming to be Jackson's son, things get complicated. Jackson is caught between yearning for a connection with his past and uncertainty about his own future. He must confront difficult questions regarding his legacy and whether he will continue to race as a jockey or retire.