Student Lee Dam inadvertently swallows a mysterious pearl that came out of the mouth of the enigmatic and young teacher Shin Woo-yeo; what she doesn't know is that Woo-yeo is actually a nine hundred and ninety-nine-year-old fox spirit (aka gumiho) who was about to become a human for good. The two find themselves having to live together: if Lee Dam fails to get rid of the pearl within a year, she will be doomed to sudden death, while Woo-yeo will forever remain a fox.
Jang Ki-yong (born August 7, 1992) is a South Korean actress and model. He is best known for his roles in the TV series The Liar and His Lover (2017) Confession Couple (2017), My Mister (2018), Come and Hug Me (2018), Kill It (2019), Search: WWW (2019) and Born (2020).
Lee Hye-ri (born June 9, 1994) 1 better known by her mononymous name Hyeri, is a South Korean singer and actress. She is the youngest among the members of the Girl's Day group and is known for her leading roles in television series such as Reply 1988 (2015) and Entertainer (2016).