One day, the tiger spirit protecting Mount Bukhansan found Lee Jang-ho bleeding to death. The tiger spirit, who dreams of finding a partner and living life, takes over his body and begins to cause problems in the human body, and Kwon Soo-hyun approaches the tiger spirit at the request of his grandmother, a shaman. Then, when the incense pack explodes, the tiger spirit becomes enamored of Soo-hyun, and promises to be Soo-hyun's companion and protect him for the rest of him life... "Rather than lose him to another man, I will eat him and make him mine."