A job seeking dreamer Yong-jun works part-time at his parents' lunch box house. Yeo-reum lives only to support for hearing-impaired swimmer sister. One day, Yong-jun meets Yeo-reum while delivering lunch boxes and falls in love at the first sight. Yeo-reum slowly opens her heart to warm-hearted Yong-jun.

Do-hyun, an artistic gymnastics player, is living with his mother suffering from Alzheimer’s disease. He decides to quit gymnastics, and he meets a beautiful girl at the library after he got sentenced to community service. They get closer and share their secrets and worries. Can they become ‘the Overman’ creating a new life?