天才(cái )工(gōng )程师苏(sū )明惨遭挚友陆镇(zhèn )安(ān )算计,专利被篡改,资金遭掏(tāo )空,最终含恨自尽。年幼的苏(sū )夏目睹惨剧,留下心理阴影(yǐng )。此后她与(yǔ )姐姐苏冬被陆镇(zhèn )安收养,在(zài )陆家受尽欺辱。陆(lù )镇(zhèn )安为霸占利益,逼迫苏冬(dōng )嫁(jià )予自己,苏冬为保全妹妹,暗(àn )中查证真相,被迫隐忍。孤苦(kǔ )的苏夏被身负家仇的肖齐(qí )所救,在其(qí )训练下蜕变为果(guǒ )敢的复仇(chóu )者。多年后,苏夏伪(wěi )装(zhuāng )身份回归,刻意接近陆镇(zhèn )安(ān )之子陆帆。陆帆对苏夏又爱(ài )又疑,逐渐深陷其中。苏夏一(yī )边伺机窃取机密,一边戳穿(chuān )简西冒名(míng )邀功的假象。