Restaurant: Impossible

Chef Robert Irvine heads to Lebanon, N.H., to help husband and wife team Nick and Maria save their six-year-old Mexican restaurant, Gusanoz. Locals flocked to Gusanoz to taste Maria's authentic Mexican food, but growing pains got the best of the restaurant, which suffered in food and operations quality, leaving a huge, expensive mess for Robert to clean up. Can Robert and his team give Gusanoz a new life -- and Maria a renewed passion for her business?

FN Dish Update: See How Gusanoz Is Doing