Isak Borg is the first secretary of Swedish Embassy in Pyongyang. Even though he's a diplomat, he is secretly dating Bok-joo, a local traffic officer. One day, after a shady man was seen at their secret meeting spot, Bok-joo goes missing. With his departure date approaching, Borg searches for Bok-joo and begins to get suspicious of his interpreter, Lee Myeong-jun.

Working at a special cleaning company, Yong-hyeok and Gyeong-hyeon are sent to a lonely house. Yong-hyeok finds a big bag in the corner while cleaning. In the bag, there is a bundle of checks and he thinks about the house in an open field he’s dreamed of.