Plot
Cha Ji-Won is a UDT officer of the Navy Special Operations Force. He is positive and has personal charm, but he falls into a desperate situation due to a friend's betrayal. He goes through numerous life or death situations. Cha Ji-Won then enters into a fake marriage with Swan to hide his identity. Through the bright persona of Swan, Cha Ji-Won falls in love and regains his trust of others.
Cast
Lee Jin-wook
as Cha Ji-won / Mr. Black
Moon Chae-won
as Kim Swan
Kim Kang-woo
as Min Seon-jae
Song Jae-rim
as Seo Woo-jin
Yoo In-young
as Yoon Ma-ri
Jeon Kuk-hwan
as Baek Eun-do
Choi Jung-woo
as Seo Jin-tak
Lee Won-jong
as Ko Sung-min
Jeong Dong-hwan
as Cha Jae-hwan
Lim Se-mi
as Cha Ji-soo