It is a story of a mistress who comes back for her revenge after enduring all kinds of mistreats from her husband's wedded wife. The resentment

　　Day（小面包饰）和Night（Dew饰）分别出生在闰日（2.29）的正午和午夜，他们是被诅咒之人，每四年一次的闰日不仅标志着自己的诞生，也预示着所爱之人的死亡。

　　讲述实习生和职场前辈的办公室爱情故事。