Yoo Ga Eun is a sweet-natured girl who dated and subsequently married her boyfriend, Park Jung Woo. However, she later discovers that her husband had an affair with her best friend, Mi Ran, and that their adopted daughter is actually Jung Woo and Mi Ran's lovechild. To get revenge on them, she marries Maeng Ho Geol, a wealthy clothing retailer, and carefully plots their downfall. At the same time, Ga Eun also meets Ha Jae Bum, the man who falls deeply in love with her and promises to support her by her side, no matter what she does.

《狎鸥亭白夜》是韩国MBC于2014年10月6日播出的日日特别企划。以电视台演艺圈为背景的家庭剧场内容，讲述了四家人之间的故事。

李顺爱（南相美 饰）和名为金民旭的警官结了婚，没想到，一场事故之中，金民旭不幸丧生，之后，李顺爱在机缘巧合之下加入了女子机动队，却因为得罪了上司而被发配到了专干“脏活累活”的治安大队。从此以后，等待着她的不是处理夫妻矛盾就是寻找离家少年，在此过程中，李顺爱自然吃了不少的苦头。
虽然工作十分辛苦，但李顺爱从来就没有轻视过自己肩头所背负的责任，她的善良和坚强同时吸引了江俊（李柱贤 饰）和韩悠日（丹尼斯·吴 Dennis Oh 饰）两名男子，前者是警局里指日可待的明日之星，而后者是身世神秘的富家少爷。除了要面对纠缠不清的情感纠葛外，李顺爱还要应付来自黑道组织的凶猛追杀，这两者相比，哪一个更加麻烦呢？