Yu Weiyi, who has been living under the Sun family's roof since childhood, suffers from a chronic illness and a difficult predicament. To escape her passive situation, she meticulously plans and accidentally meets Sheng Shi, who is steady in his actions, reaching a contract marriage with her. After marriage, she keeps a low profile, stays sensible, and strictly follows the agreement, gradually standing firm step by step. During their time together, Sheng Shi gradually glimpses her gentle and resilient core, repeatedly and silently protecting her safety. Accompanying each other, the two slowly grow closer, healing each other mutually and unlocking a warm, healing new life.