The show follows two individuals, Lu Cheng and Lin Zhao, who jump straight into a rush-marriage and are forced to adjust to life as husband and wife under the same roof. Starting out as relative strangers bound by a marriage license, their initial awkwardness and cautious boundaries gradually melt away through daily domestic cohabitation, playful teasing, and undeniable romantic chemistry. As they navigate the realities of married life first, the two slowly drop their guard and fall genuinely in love, proving that romance can flourish after saying "I do."