![Đào sát ngục đen](https://cdnwp.icu/wp-content/uploads/2023/12/dao-sat-nguc-den-thumb-185x278.jpg)
Two North Korean soldiers are killed in the border area between North and South Korea, prompting an investigation by a neutral body. The sergeant is the shooter, but the lead investigator, a Swiss-Korean woman, receives differing accounts from the two sides.