黄家岚（关咏荷 饰）十多年前留下儿子，独自出国深造。现在她又回到了阔别多年的香港。机缘巧合之下，家岚进入了言氏集团下属的形广告公司任职，恰巧她的儿子陆哲（蔡淇俊 饰）也在这里担任摄影师。陆哲并不知道黄家岚就是自己的母亲，他自小由奶奶伍恒（金燕玲 饰）带大，一直十分怨恨母亲当年抛下自己不顾而去。形广告公司各式各样奇尼古怪的人俱有，同事们演绎了一出十分多姿多彩的生活剧。
高中少女黄芸被人勒死后抛尸，负责调查此案的华金分局刑警队长宋诚很快锁定了犯罪嫌疑人。另一边，俞笑正配合丈夫朱鹤接受电视台的采访，采访时，俞笑发现主持人安妮不仅跟朱鹤十分热络，她手上还带着跟朱鹤送给自己同款的限定手表。之后，俞笑无意间看见朱鹤跟安妮在私下吃饭，安妮虽然向她解释，但交谈间俞笑仍是感受到了她的挑衅和攻击。俞笑开始暗中调查丈夫，正当她打消对朱鹤的怀疑时，秦扎突然出现，拿着刀抵在俞笑的脖颈。
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.
