The Story of Seabiscuit 1949 Horse trainer Shawn OHara and his lovely niece, Margaret, come to America to escape the memory of an accident involving Margarets brother, Danny Working with thoroughbreds in Kentucky, Shawn takes a liking to a yearling named Seabiscuit, and fights to convince the horses owner that the tiny horse with big knees will become a top notch racehorse Meanwhile, Margaret begins a tentative relationship with jockey Ted Knowles, but is haunted by her brothers death in a steeplechase spill