Mo family mechanism successor Song Taoyao and Shennong Valley successor Song Yezhen pretend to throw embroidered balls to seek marriage, but are "intercepted" by Cavalry General Jiang Henian and Supreme Court Magistrate Jiang Yanxun. Facing this unexpected twist, the sister flowers decisively flee the marriage, yet ultimately cannot resist being dragged back by the brothers. The four enter a contract marriage, going from a fake act to real romance, and from bickering to falling in love. The sisters become sisters-in-law, and the brothers become brothers-in-law. Behold how two pairs of bickering sweethearts joyfully stir up the capital.