高端牙科诊所的牙医程皓身兼双重身份，业余时间还是一名“恋爱先生”，专门在情感的道路上帮人出谋划策，但自己感情生活却一片空白。程皓在客户的一场婚礼前，偶遇伶牙俐齿的罗玥。二人状况百出，彼此嫌弃。但这一切，却在罗玥无辜遭遇“情感骗子”已婚的宋宁宇后，悄然发生改变。宋宁宇的妻子顾遥在被丈夫出轨的消息打击后黯然回国。程皓的兄弟张铭阳在机场邂逅顾遥，以“情场高手”著称的他竟手足无措只好寻求程皓的帮助，
该剧讲述因意外而失去听力和记忆的动画师鲜于灿（蔡钟协 饰），遇见了如救赎般的设计师宋嘏烂（李圣经 饰）后，展开的一段疗愈的爱情故事。
In the small village of St. Mary Mead, Colonel and Mrs. Bantry, owner of the local manor - Gossington Hall is shocked when one morning a young lady's body is found in the library. They call in the police who soon run up against a brick wall, only finding out that the body is that of a dancer in London who the Bantry's didn't even know. But how and why was her body left in the library? To find out the truth, the Bantry's call in the help of their good friend and detective - Miss Jane Marple.
