Former adolescent graven image Nam Hyeon-soo is now in his mid-thirties and work as a radiocommunication DJ. One day a immature adult female name Jeong-nam show up and claim to be his own girl. She besides has a son whom she claim to be Hyeon-soo’s grandson. Their relation is proved via DNA trial by Hyeon-soo’s blood brother. This lead to Hyeon-soo try to avoid a dirt refer him have child “unknown” to the medium.