Susan Mello is an extraordinary opera singer who has been able to turn an all-American dish -- the hamburger -- into a multicultural eating experience and has the awards to prove it. She gets her inspiration for her award-winning burgers from her neighborhood of Queens, NY, the most ethnically diverse county in the US. In this episode, Susan will host friends and family for a backyard birthday celebration, serving up her famous burgers. Little does she know that there'll be one unexpected guest - Bobby Flaywho challenges her to Burger Throwdown. It'll be up to a secret judge to decide who's got the best burger in town.