哑女庶妹沈玉清(qīng )被嫡姐沈元锦以疯娘(niáng )性命为要挟(jiā ),被迫替婚前失(shī )贞的嫡姐(jiě )与摄政王姐夫洞房,但天意弄(nòng )人,沈玉清怀上姐夫(fū )的孩子,使得她与疯娘处境更加艰(jiān )险(xiǎn )。好在(zài ),哑女不哑,疯娘(niáng )不疯(fēng )。母女(nǚ )俩(liǎng )为(wéi )摆脱(tuō )被沈元锦“去母留子”的下场忍辱负重,终于逃出魔掌,怎奈嫡姐不依不(bú )饶,即便追至天涯海角,也(yě )不肯放过,小(xiǎo )娘为(wéi )护女儿(ér )不幸丧命(mìng ),临终(zhōng )前,吐露(lù )惊人秘密-五年前逃亡之夜(yè ),沈玉清诞下的婴孩并非死胎,实则是被沈元锦抢走......