刘婉怡原本有个平凡幸福的家，却因小三王春花闯入而破碎。父亲刘磊为讨好王春花，偷拿供刘婉怡上学的存折，私奔时被母亲陈淑雅发现，二人激烈争吵，刘婉怡回家见状，误以为陈淑雅家暴父亲，从此心生怨念。不久，刘磊偷存折逃跑出车祸，陈淑雅放弃治疗，母女关系彻底破裂。 多年后，刘婉怡成为国家级化学教授，返乡报复陈淑雅，搞砸其颁奖典礼。陈淑雅为护女儿，隐瞒刘磊丑事，即便刘婉怡要断绝关系也不说。因情绪波动，陈淑雅脑瘤病情加剧昏迷。期间，养女李蕊找到日记，刘婉怡看后得知真相，明...

A pair of lovers murder the man's wife so they can be together. However, the body is never recovered and signs start appearing that suggest she may still be alive.