Park Sung-hye

Mi-so and Ha-eun meet in elementary school and quickly become best friends. In high school, Ha-eun meets Jin-woo and starts to have feelings for him, but he starts to have feelings for Mi-so. When they all meet again as adults, they are very different people, but they try to remember what friendship is really about.

After waking up with mysterious wounds on his hands, a champion fighter finds himself in an otherworldly battle against evil forces that wreak havoc in the human world.