故事发生在1994年，和深爱的女友分手后，宇宰（薛耿求 饰）的内心里充满了无法排遣的痛苦，于是沉浸在颓废沮丧之中，常常借酒消愁。延秀（宋允儿 饰）一直以来都默默的爱慕着宇宰，只是碍于情理选择将这份感情默默埋藏在心底。如今，宇宰已经成为了自由人，延秀感到自己卑微而又真挚的感情或许有了一丝成真的希望。
然而，无论延秀怎样陪伴和安慰宇宰，后者似乎都无法走出情伤，为了逃避现实，宇宰决定去当兵。在此过程中，延秀到部队探望宇宰，宇宰发现延秀拥有了同以前不一样的风姿，内心渐渐被其吸引，但延秀误会宇宰依然忘不了前女友，最终选择了离开。

Set against the haunting backdrop of a small lake town, this chilling thriller unravels a meticulous revenge set over a period of 7 years, all beginning with the accidental death of an innocent girl.

Follows the lives of two couples who live in the same neighborhood. Kim Man-Suk delivers milk on a motorbike at dawn. He curses a lot, but actually has a warm heart. One day when he goes up a slope, he meets Ms. Song - a lonely woman who works hards by collecting and selling scrap paper. Man-Suk feels something special toward Ms. Song. Jang Kun-Bong works in a parking lot. Jang Kun-Bong has a wife who suffers from Alzheimer's. He works from dawn until late at night. After work he comes home and takes care of his wife.