A guy and a woman who are experiencing the same feelings co-star in this fantastical mystery drama. Eun Gye Hoon is a chef who relocates his business to the city that was the last known location of his twin sister, who vanished twenty years prior. One day, he realizes that he is spontaneously experiencing emotions, like sobbing and laughing, and it turns out that these emotions belong to a woman named Noh Da Hyun.