 During World War II and the era of staunch racial segregation, a Black carpenter s son named Vivien Thomas, who had a talent for surgery, along with a white surgeon named Dr. Alfred Blalock, who defied the medical establishment created a partnership that changed the course of cardiac surgery. With only a high school diploma, Thomas became a leading cardiac pioneer and educator of two generations of the United States  premiere heart surgeons. This moving documentary tells the story of Thomas and his relationship with Blalock, one that ushered in advances in surgery that are still in existence today.