The female lead, Sunny, was raised by her grandma in the countryside. She learned top skills and was self-taught in piano. At 22, the Sun family found she wasn't their biological daughter and found Sun Tian. The Sun family's company was in crisis, and the Bai family's eldest son, Jimmy White, became a vegetable. Mrs. Bai offered a high betrothal gift to marry the Sun family's daughter. The Sun couple threatened Sunny to marry Jimmy White instead of Sun Tian. After the substitution marriage, the male lead found Sunny was the one who made him impotent, and Sunny found he was the one who saved her. After the marriage, Sunny saved Jimmy White, and they fell in love with each other.
