The son of a North Korean spy decides to follow in his father’s footsteps to protect his little sister. After his father’s botched espionage mission, North Korean Myung-hoon and his young sister Hye-in are sent to a labor prison camp. In order to save his sister’s life, Myung-hoon volunteers to become a spy and infiltrates the South as a teenage defector. While attending high school in the South, he meets another girl named Hye-in, and rescues her when she comes under attack. South Korean Intelligence soon discover Myung-hoon’s activities and begin tracking him, all the while his own government sends a vicious assassin to eliminate him.
|Pemain:||Cho Seong-ha, Choi Seung-Hyun, Han Ye-ri, Jung Ho-Bin, Kang Han-Na, Kim Min-jae, Kim Sun-Kyung, Kim Yoo-jung, Lee Joo-sil, Park Sung-woong, Yoo Jae-myeong, Yoon Je-moon|