In the backdrop of the bustling metropolis of the United States, two older singles, Lucas Grayson (a male, the boss of a tech giant company) and Claire Bennett (a female, a middle school teacher), are set up on a blind date and end up getting married by mistake. From being estranged and contractual spouses, they go through family conflicts, career crises, and emotional misunderstandings. Gradually, they come to understand and support each other. Eventually, true love blossoms amid the twists and turns, and they face the future hand in hand.