Traveling through Xu Xuan's life, he knows everything about his past from God's perspective, but he only wants to protect his wife and live a stable life. They met in West Lake and loved each other. They doted on their wives and teased their arrogant sister-in-law Xiaoqing every day. They used forensic medicine to solve cases and wrote music to protect their bodies. They protected the family's reunion. They changed their lives against the will of heaven and prevented the tragedy of Leifeng Pagoda from happening.