Oops, I married the wrong husband

After a rainy-night mix-up causes sisters Chloe and Vivian to marry the wrong Hawthorne brothers, the families agree to swap their marriage contracts. As cold tycoon Alexander falls for cheerful Chloe and carefree Oliver is won over by strong-willed Vivian, both couples navigate family conflicts, class prejudice, and unexpected romance, ultimately finding true love and happiness.