After his father's funeral, Cheng Wangshan faces the greed and injustice of his uncle's family. He gives up the family estate, asking only for a dilapidated ferry pavilion and a mysterious stone Pixiu. When the stone Pixiu reveals its spiritual power, it guides him to rescue Song Wanhe, the daughter of a wealthy merchant. Through a three-day trial, he successfully builds a grain-unloading platform, winning both a marriage betrothal and a thriving career. Meanwhile, his uncle and aunt lose everything after speculating on a broken-down boat. With nowhere else to turn, they seek Cheng Wangshan's help and gradually come to their senses as they work to repay their debts. The stone Pixiu ultimately exposes the old debts the couple had secretly concealed.