Modern divine healer Wren Lyndon accepts the plea of another world's Wren Lyndon, activates the Fate Tome, and transmigrates to her wedding day to defy fate and rewrite the Fate Tome. Facing schemes from Eli Shaw, Mabel Sterling, her stepmother, and Marquis Manor members, Wren Lyndon resolves all plots with wisdom. Using superb medical skills, she cures Xiao Yu, opens free clinics, saves Hundred Herbs Apothecary, and revives the manor's industry.