Edgar and Sara fly to Oaxaca and visit a corn farm in San Martin Tilcajete to see the man behind the heirloom corn they use at Nixta Taqueria; Beto and his General Manager drive to San Antonio to tour their tortilla purveyor’s tortilla factory and get lunch at Taquitos West Avenue; Anthony and Xose have lunch at The Olive Oil Greek Restaurant and reflect on challenges they faced after high school.