Teen idol Nam Hyeon-soo is in his thirties and working as a radio DJ. One day a woman named shows up and claims to be his daughter. She also has a boy whom she claims to be the grandson of Hyeon-soo. Their relation is shown via DNA evaluations by the brother of Hyeon-soo. This also leads to Hyeon-soo attempting to avoid a scandal concerning him having kids"not known" to the press.