Answer
The answer is North Korea. In the television drama "The King 2 Hearts," Jo Jung-suk portrays Eun Shi-kyung, a North Korean special forces officer who falls in love with a South Korean princess, Lee Jae-ha, played by Ha Ji-won. The drama explores the political tensions and cultural differences between the two Koreas, as well as the personal struggles of the characters caught in the midst of these conflicts.