Africa Yoon née Engo was about to turn 30. She was a celebrated activist working in Manhattan and around the world, when she found she had gained 120 pounds. She realized she needed a life beyond her work and to get her dream, she had to work on herself. One afternoon, at Asian grocery store H-Mart, a Korean grandmother called her fat! After the initial embarrassment of the public moment, the two began an unusual friendship that lead her to eating kimchi—and that moment changed everything.