Unemployed Jae-wook is dumped by his girlfriend without notice. He was a burden for Sae-mi who was at the age of having to think about marriage and her future and he wasn't disqualified for it. Jae-wook is shocked and wanders around still jobless in the house of Joon-ho who is currently dating Hye-jeong who is 4 years older. Jae-wook meets Eun-ji at a indie band performance and...

GP是休战线边上非武装地带最前沿警戒区的哨兵，是冷战后的余留兵。07年五月的一个雨夜，GP506的20名队员全部被一名士兵所杀，由于506的队长乃是总参谋长的儿子，军方对此事高度紧张，派出卢搜查官（千浩振 饰）负责在一夜时间内调查出事件真相。搜查队当夜进入506驻防的戒哨营，除了存活的嫌疑人士兵姜春元（李英勋 饰）外，本应20具的尸体少了一具，搜查队发现了自称是506队长柳中尉（赵显宰 饰）的幸存者，后者惊魂未定，拒绝透露任何事件经过，然而大雨阻断了道路，无法离开戒哨营的柳中尉只得描述506哨所队员感染病毒的隐情。原来该小队部分队员罹患感染后变得极富攻击性的莫名传染病，队长为了保住仕途拒绝上报，这引发了部下的哗变和最终的屠杀……

　　《青春之歌》是一部关于青春成长的影片，三个年轻人因为对HIP-HOP的热爱而走到一起，但三年前发生在他们身上的一些事情，让事情起了变化...