Gu Xiang, an ordinary office worker, casually makes up an excuse to avoid working overtime. But her peaceful life is disrupted by a phone call from traffic police. An unknown man has died in a car accident, and somehow, she is listed as his emergency contact. Desperate to raise money for her father's surgery, she foolishly pretends to be the deceased man's family member and accepts the compensation, unwittingly becoming entangled in a criminal case. When her loved ones suffer an unexpected tragedy, Gu Xiang chooses to cooperate with the police, gathering clues to help solve the case. She uncovers the truth behind a loan fraud and murder scheme, seeks justice for the deceased, and bravely takes responsibility for her own wrongdoing.