Towards the end of the Korean War an uneasy ceasefire is ordered, but out on the Eastern front line of the Aerok Hills fierce fighting continues. A race to capture a strategic point to determine a new border between the two Koreas is the ultimate prize. A bullet is then found in the body of dead company commander of the South Korean army. The bullet that killed the company commander belongs to the South Korean army. Lieutenant of the Defense Security Command Kang Eun-Pyo is ordered to go out into the Eastern front line and investigate the murder. When Kang Eun-Pyo arrives in the Aerok Hills he is surprised to find his old friend Kim Soo-Hyeok commanding troops in the Aerok Hills. Kang Eun-Pyo believed Kim Soo-Hyeok was dead. In their younger years, Kim Soo-Hyeok was a meek student, but he eventually became the leader of Aerok company as a lieutenant. The situation in the Aerok company raises many flags in the eyes of Kang Eun-Pyo. Soldiers wear North Korean uniforms inside due to the cold weather, a 20-year-old leads troops as a captain and the reappearance of his old friend Kim Soo-Hyeok. The countdown to the ceasefire begins as the lives of countless soldiers fall to the wayside ... 高地战 战场的实际。那一刻，我们忘却了为何而战。金柱赫与石光荣。反思，反你们妹啊。The answer is blowing in the wind。认清战争之作。本是同根生，相煎何太急。。这是好片。内战之痛。《高地战》的“现代启示录”？。 1952年，在板门店谈判中，L高地的归属直接影响到停火线的划定，南北双方为了获得更有利的战果，围绕L高地展开了新一轮血腥的争夺。此时，在前线的韩方鳄鱼中队队长被自己人的手枪击毙，同时北方人民军军人的家信在暗中通过韩方邮路寄送，韩方怀疑高地前线出现内奸，派调查部门的姜恩彪中尉（申河均 饰）陪同新任队长前往鳄鱼中队。此时鳄鱼中队实际掌控在姜恩彪昔日战友金秀赫中尉（高修 饰)以及申日荣上尉手中，姜恩彪惊异的发现曾经书生气十足的金秀赫如今已变成强悍的战士，而表面上军纪涣散的鳄鱼中队在实战中则有着惊人的战斗力。姜恩彪随鳄鱼中队一起经历了拉锯式的高地争夺战，而他终于无意中发现了鳄鱼中队“通敌”的线索……
