Kate Quilton and John Whaite embark on a journey to unearth the origins of the Korean-derived foods that have exploded in popularity in recent years. Starting in Seoul, they uncover the crispy secrets of Korean fried chicken then, in Cheonan, discover the surprising origins of the massive popularity of pork luncheon meat - aka spam - before seeing how it's made. A short detour to the beach Dacheon leads to a shocking and unforgettable seafood. Finally, in Gwangju, they discover a world of kimchi, and learn the key to its global expansion.