Overview: Vivian travels to Columbia, South Carolina, to meet with Glenn Roberts of Anson Mills and learns about Carolina heirloom rice growing in fields on the Savannah River. Glenn explains Anson Mills' efforts to save heirloom grains and discusses the importance of ingredient biodiversity. Glenn's passion inspires Vivian to host a "rice dinner" at Chef & the Farmer, where each course centers around this grain. Scarlett, Vivian's mom, schools her daughter on how to make the chicken and rice she grew up eating.