회사가 어려워지자 일을 그만둔 중년의 남자는 옛 애인의 기억을 떠올리며 그녀를 찾아보기로 한다. 그러나 그녀의 행방은 찾을 수 없고 그는 갑자기 나타난 다른 여자들과 만나면서 이상한 상황에 내몰린다. 남자는 점점 불안에 휩싸인다.

One night, a man and a woman, both drunk and both lost souls, get on the last train at different stations. However, other then being drunk, the two have something else in common -- they are emotionally hurt in one way or another.

讲述了因遇到克隆人而被卷入令人震惊的事件中的刑警和为了生存而不得已互相展开对决的克隆人之间发生的故事，实力派演员郑在咏、金廷恩以及新人演员梁世宗确定出演。郑在咏在剧中饰演为了守护珍贵的东西而做出错误选择的老练刑警张得天，金廷恩饰演对成功野心勃勃的检察官崔朝惠，梁世宗则同时饰演失去记忆的嫌疑人“成俊”和给成俊扣上了莫须有罪名的克隆人“成勋”，令观众对这一追击惊悚题材期待不已。

As the first snow falls in Seoul, two old friends reunite; one is a successful college professor, and the other, a struggling filmmaker recently returned from the United States. After their reminiscences, they finally decide to go in search of the young woman each had romanced years earlier.