Hyun-soo was once an idol star with millions of teenage girl fans. Now in his mid-thirties, he is still popular as the DJ of the number one hit radio show and lives a peaceful life with nothing to complain about until the scandal of his life is knocking on his door out of blue. Jung-nam, who has been pretending to be a faithful listener of his show sending the program her stories every day, suddenly calls on him and claims that Hyun-soo is her father. Not only that, she has a little son!
Jung-nam stalks Hyun-soo at his home and the station and his perfect life is about to crumble to pieces. To make matters worse, he gets caught up in a scandal with Jung-nam. Hyun-soo does what he can to salvage his celebrity image but he faces too many hurdles to stop Jung-nam and her son from taking over his life. It boils down to one last show to test whether he is fit to be a true star.