In the midst of the 1970s folk art movement, art student Martha Nelson creates a one-of-a-kind doll to sell at local Kentucky craft markets. She has no idea that a visionary young entrepreneur will use her artwork as inspiration for a mass-produced doll that will spark a multi-billion-dollar toy craze. They will make him rich, but first he must fend off challenges to his empire from Nelson... and from a baseball card company looking to lampoon his dolls to make a fortune of their own.