By a twist of fate, Shen Zheng is transported to the modern era as the neglected eldest daughter of the Shen family. Through a bizarre turn of events, she ends up married to Gu Yunting—known as “Second Master Gu”—who is actually standing in for his ailing brother. Between her scheming half-sister’s repeated traps and her older brother’s brazen attacks, Shen Zheng and Gu Yunting work together to outmaneuver every threat, gradually growing fond of each other. But just as their bond deepens, Gu Yunting’s first love returns from abroad with unyielding determination. Now, they must confront this sudden upheaval and decide where their hearts truly lie.