At the age of ten, Xu Nianchu rescued the abducted Shen Xiangnan in a small alley of the ancient town, was severely injured to protect him, accepted the watch left by him, and made a promise to reunite. A decade later, Shen Xiangnan has become a corporate group president, following clues to come to a restaurant to look for someone. Restaurant owner Zhao Xiuqin grew greedy, inciting her daughter Zhao Jianing to falsely claim to be the benefactor. Just as Shen Xiangnan thanked and hugged the fake benefactor, Xu Nianchu, with the scar from that year on her wrist, quietly appeared—an old watch unveils a scam hidden for ten years.