Fifty-year-old entrepreneur Zhang Guilan senses that her son Zhao Muyuan is about to fall into an elaborately laid business trap. By a twist of fate, she meets Zhou Baichuan, who is keeping a low profile experiencing worldly life, and invites him to help protect her family together. The two join hands to gather clues, rely on legal channels to cooperate with relevant departments to uncover the full truth, resolve wave after wave of crises, safeguard the enterprise and their family, and also reap a wonderful romance of mutual devotion.