温良贤淑的卢月（高瑜 饰）多年前与养父冯教授（白志迪 饰）的得意门生夏明宇（姚刚 饰）结为夫妇。然后婚后多年，他们的感情慢慢转淡，丈夫那冷漠自私的本性也渐渐显现出来。原来卢月拥有悲惨的童年经历，孤儿的她小时候生长在农村，多亏善良的冯教授考察期间将她带回收养成女儿。可是教授的独生女依璇（温峥嵘 饰）却对这个突然出现的姐姐充满抵触和敌意，即使多年后的今天，情况也丝毫没有改变。现如今，婚姻破败的依璇和曾经的恋人明宇暗通款曲，而全然不知情的卢月俨然成为两人的眼中钉，肉中刺。 一直独自背负委屈的卢月健康不在，江河日下的身体状况再也承受不起众叛亲离的痛苦折磨……
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