Korean War, September 1950. In order to fight the enemy forces based in the South of the peninsula, General MacArthur orders the start of the Incheon Landing Operation, deploying diversionary attacks in other locations. Without real military forces to spare, 772 very young Korean student soldiers, barely trained, are sent to Jangsari Beach, where they will face a heroic fate and discover the value of friendship. (A sequel to Operation Chromite, released in 2016.)

根据真实事件改编。杀人犯姜泰吴偶然对缉毒组警察的金炯民透露了自己犯下的7起杀人案，将信将疑的金炯民随即展开了追查，发现这些案件都是根本没有接到报案的“暗数杀人”事件。

Aspiring writer Je-a unveils a shocking truth from the observations she makes of the fellow students at her high school where there is something akin to a caste system.