Mid 30's Nam Hyun-Soo (Cha Tae-Hyun) is a popular radio DJ and entertainer. When he was younger, he was even more popular as a teen idol. One day, his apartment doorbell rings and a young lady named Hwang Jung-Nam (Park Bo-Young) appears and a young boy appear on his doorstep. The young lady tells Hyun-Soo that he is her father and he is also a grandfather to her son Ki-Dong (Wang Seok-Hyeon). Hyun-Soo not believing any of this, attempts to close the door, but when Jung-Nam threatens to go to the press he allows them to stay in his apartment. Complications arise when they are spotted outside and people assume they are romantically involved! Watch drama online for free.