Orphan Bei Yiyi, to raise her grandpa's surgery fee, follows Grandma Huo's arrangement for a flash marriage, mistakenly taking top wealthy family power holder Huo Yan as a poor driver. Huo Yan initially disguised himself as a driver to test her, but was touched by the kind and non-gold-digging Bei Yiyi, gradually developing feelings. Meanwhile, fake young lady Song Wanrou is infatuated with Huo Yan and repeatedly harasses and frames Yiyi. After going through ordeals such as being kidnapped and drugged, Huo Yan confesses his true identity; although Yiyi harbors emotional barriers, they gradually reconcile. Subsequently, Yiyi unexpectedly finds her biological mother, the evil Song Wanrou is imprisoned, and Bei Yiyi, pregnant with twins, joins hands with Huo Yan to harvest a complete and harmonious family happiness.