Supernatural car accidents

Liu Xiaobo is a middle-level manager of a real estate company. His wife was hit and killed five years ago, but he has never been able to find the owner of the car that caused the accident, which has become a heartache for him. Wang Xin is the company's elevator supplier. Wang Xin falls in love with Liu Xiaobo, who is single. After a dinner where the two confirmed their relationship, a drunk driver hit a person on the way back and the two fled the scene. When I went back to rescue people 20 minutes later, I couldn't find the person who was hit. Then their lives were disrupted. They encountered unknown harassment and intimidation at home. After struggling to find the person who was hit, they found out that there was someone else who played the prank. Who is it? The traffic police team called Liu Xiaobo. The murderer who hit and killed Liu Xiaobo's wife five years ago surrendered. When they arrived at the traffic police team, they found that the murderer turned out to be the person who was hit... Who is the prankster in their lives...