Lee Ji Hyeok is a competent person, who is recognized both in work and love. He is proactive and cold-hearted, but he also has a sense of humor. Lee Ji Hyeok looks glamorous, but, after experiencing the lowest point of his life, he finds the true meaning of life. He has people around him, including Ji Eun O and Park Seong Jae. Ji Eun O has a bright and cheerful personality. She works as a cafe manager and an interior designer. She never loses her passion even during difficult times.
Once, Ji Eun O had a crush on Lee Ji Hyeok and she was rejected by him, but, even after that, she still stays by him. Park Seong Jae is Lee Ji Hyeok’s friend. Park Seong Jae, who grew up in a wealthy family, is relaxed and well mannered, but he holds a deep feeling of loneliness inside.