upcoming new korean drama The K2 starring Ji Chang Wook and Yoona

Kim JeHa (Ji ChangWook) is former solider for hire. He is also called K2. He is hired as a bodyguard by Choi YooJin (Song YoonA). Choi YooJin is the wife of a presidential candidate (Cho SeongHa) and the daughter from a chaebol family. Meanwhile, Ko AnNa (Yoona) is the secret daughter of the presidential hopeful. She is also a recluse