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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.
A young couple's love is tested when Sun-jin is diagnosed with a rare form of Alzheimer's disease.
Sang-hwan became a cop in order to help the downtrodden, but he doesn't get much respect. All that changes when he meets the Seven Masters.
