Arthur Carter, the Vegetable King, is humiliated by Yvonne Chase, Harlan Carter, and Zhao Jianguo. An Insect Plague causes shortages, exploited by Dexter Lowe. Arthur teams with Iris Blair to stabilize supply and fight Lowe. Arthur and Iris develop romantic feelings. When Hugo Carter falls ill, Arthur saves Hugo, forgiving Yvonne and family. Lowe is arrested. Harlan and Yvonne make amends. Arthur finds love, career peak, and family reconciles.