John is a 33-year-old obese pizza shop owner from Brooklyn with a bad habit of binge eating the greasy, fattening food he makes every day. Jennifer is a severely overweight culinary instructor and cookbook author whose problem with portion control and emotional eating has wreaked havoc on her body. Both chefs are ready to take back control of their health and lose 25 percent of their weight in 16 weeks. But can they relearn their relationships with food, or will old habits die hard?