Su Jinli is reborn with a heart full of resentment, returning to the day she turned eighteen, when a pitch-pot game was held to choose her husband. Seeing through the vicious scheme of her stepmother and half-sister, she publicly shoots the marriage arrow toward a down-and-out fisherman, resolutely leaving the Su household. Little does she know that the fisherman is actually Prince Xiao Hanzhou of Zhen'nan, secretly investigating a case. From relying on each other aboard a broken boat to standing together through life and death, the two join forces to gather evidence and eventually bring their enemies to justice. After the turmoil subsides, they abandon worldly splendor and retreat to Jiangnan, where the people in their fiefdom live in peace and prosperity under their rule. Her past-life blood feud is finally avenged, and in this life, they remain together until their hair turns white, finally finding their happy ending.