The fictional story begins after the execution of real-life North Korean general Jang Sung-taek. One day an order comes down from North Korea, reactivating erstwhile spy Park Hye-rim who has spent decades in South Korea as an ordinary housewife. She is given the mission to turn and bring in her own son, Kim Seonu. Cool-headed, quick-witted genius Seonu is an information analyst on North Korea working for the NIS. His girlfriend Yoon-jin is a tour guide for Chinese tourists who cannot speak Chinese, and they fell in love when Seonu helped her translate. Hye-rim is suddenly forced to choose between her son and country, and risks her life to see the choice through.

Genres

Cast

Kim Jae-joong

Kim Seon-woo

Bae Jong-ok

Park Hye-rim

Yu Oh-seong

Hwang Ki-chul

Ko Sung-hee

Lee Yoon-jin

Chae Soo-bin

Jo Soo-yeon

Jo Dal-hwan

Kim hyun-tae

Kim Min-jae

Song Joong-hyuk

Jung Won-joong

Kim Woo-suk

Lee Dae-yeon

Jung Kyu-yong

Ryu Hye-young

Noh Eun-ah