Han Ye-ri

After his father’s botched espionage mission, North Korean Myung-hoon (Choi Seung-hyun) and his young sister Hye-in (Han Ye-ri) are sent to a labor prison camp. 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 (Kim Yoo-jeong) and rescues her when attacked. However, south Korean Intelligence soon discovers the plot and begins closing in on Myung-hoon while his government sends a vicious assassin to eliminate him.

In this rousing crowd-pleaser, a former arm-wrestling champion raised in the U.S. returns to South Korea for a tournament that could return him to glory. But, as he trains for the most intense fight he’s ever faced, he finds his life complicated by the appearance of the biological family he never knew.