Tang Qianluo takes her sister's place to marry into the Ning family, encountering the paranoid and powerful Ning Dai. Starting from a contract marriage, the two join hands to fight against the greedy Tang family and scheming rivals. Having gone through misunderstandings, crises, and pain, they heal and redeem each other. Tang Qianluo remains independent and clear-headed, while Ning Dai is slowly warmed by her and lets go of his paranoia. Breaking through numerous obstacles and untangling past heart-knots, the two generate genuine love for each other, staying together through wind and snow.