Xu Zhixia is upright and outspoken, facing continuous job hunting setbacks. During a restaurant incident, she steps forward to defend Huo Xingyu, who is in a difficult situation, leading to an invitation from Huo Xingyu's older brother, Huo Chenzhou, to reach a cooperation agreement to pose as a fiancée. After moving into the Huo family residence, Xu Zhixia sees through the hidden estrangements and campus injustices within the household, accompanying Huo Xingyu as she slowly steps out of her psychological shackles and regains the courage to express herself. As the cooperation deadline approaches, Huo Chenzhou suddenly realizes that Xu Zhixia has long since become a dearly cherished family member in the hearts of both himself and his younger sister.