The story of entrepreneur Don Cornelius, who developed the Soul Train show, which rose to prominence in the 1970s.

Over-achieving daughter, Jilly, has long felt the neglect of her wealthy family. After a fall from her thoroughbred, Jilly develops a growing addiction to prescription painkillers, which she can no longer hide. As the family unravels in the face of this addiction, long-held secrets are unlocked that test each generation of this "perfect" family.