Mark is a lonely, loveable customer service rep when he meets the outgoing, mysterious Ash, and the two fall in love as they learn more about each other. She reveals her involvement in the bizarre world of mukbanging -- the viral trend of watching people eating massive amounts of food. Fascinated, he wants to know more and discovers that her insatiable cravings are for human flesh, and she hunts down society's undesirables to punish, serve and devour as her next meal.