As cousins who grew up together, they went on blind dates and married at the same time. However, Mary Kane's husband was successful, while Karen Jones became a young widow and led a miserable life. Driven by jealousy, Karen dragged Mary to their deaths at the housewarming banquet. But they were both reborn twenty years ago. Looking at the familiar yet strange blind date partners, they made choices completely different from their previous lives and thus embarked on new life trajectories.