Nam Hyun Soo (Cha Tae Hyun) was once a popular idol star among teens and worshipped liked a god. Although he’s in his mid-thirties now, he’s still a sought-after celebrity and the host of a popular radio show. But one day a very young single mom named Jung Nam (Park Bo Yeong) sends her stories to the radio show that Hyun Soo hosts. Her stories about her longing to meet her father whom she’s never seen before grips the nation and catapults the ratings to make it the most popular program. But to his surprise, Hyun Soo later confronts none other than Jung Nam, and her 7 year-old boy, Gi Dong (Hwang Seok Hyeon). Jung Nam and Gi Dong invade Hyun Soo’s home and his radio station, claiming that Hyun Soo is her father. Hyun Soo does what he can to salvage his celebrity image.