Marcus visits the longstanding Mexican community in Chicago - the second largest in the U.S. - to learn about its heritage and traditions. With muralist Juan Angel Chavez, Marcus eats tacos de cecina and grilled nopales, and discusses the important role meat plays in Mexican cooking. Later, master chef Diana Davila shares with Marcus how she combines Chicago's local ingredients with the traditional techniques of pre-Hispanic Mexican cuisine at her restaurant Mi Tocaya.