Song Hye-Kyo and Park Bo-Gum are now cast in new drama series “Boyfriend.” The duo will play lead characters in the drama series. Currently, tvN is in discussions to air the drama series. Story for “Boyfriend” will follow Cha Soo-Hyun (Song Hye-Ko) and Kim Jin-Hyeok (Park Bo-Gum). Cha Soo-Hyun has never lived her life freely due to her politician father. She meets Kim Jin-Hyeok. He is an ordinary young man who values happiness.