Winter 2013, Yong-Joon (Kim Tae-Hoon) and Jae-Sung (Choi Jae-Sung) are North Korean soldiers. They are having sex at an outpost near the DMZ line. A senior soldier catches them in the act. Yong-Joon decides to flee to South Korea, leaving Jae-Sung behind. 2 years later in South Korea, Yong-Joon dates Tae-Kyu (Shin Won-Ho), but he misses his country of North Korea. One day, Jae-Sung flees to South Korea. Yong-Joon is conflicted between his former boyfriend Jae-Sung and his current boyfriend Tae-Kyu.