Some of the hottest actors pay a visit to Happy Together. The most talented actors, who are the ultimate scene stealers, are on a hunt for laughter. They share their hardships and some of the funniest episodes that happened during their acting career. Meanwhile, it's Beauty and the Beast special in Sing My Song. The members of Highlight and EXID make an appearance to shine the show. Whose song will be sung first? Stay tuned for the fun-filled episode.