Tang Yin, who has been retired for many years, lives by depending on each other with his daughter. After his daughter encounters illegal infringement, he chooses to believe in the law and rely on the police, actively cooperating with Interpol to engage in a battle of wits and courage with cross-border criminal forces. Supported by family affection and justice, the criminals are finally brought to justice, and his family is protected. Having weathered the storms, Tang Yin and Su Wan know and guard each other, and his daughter also ushers in a new birth and happiness.