1. The boy's father is very useless, and his mother is very conservative. His mother got together because the public car hit his father, and later went to the dance together. 2. The doctor stole the terrorist's plutonium as fuel for the time car and was killed by the terrorist. The boy travels back in time in the time car invented by the Doctor. 3. The boy rescued his father who was about to be hit, but he was hit and taken back to his mother's house, and his mother fell in love with him. 4. The boy found the doctor and told everything. The doctor thought of using lightning to power the car to help him go back. 5. The boy noticed that the older brother in the photo was disappearing, and realized that he had changed history. If he didn't let his parents get married, he would disappear. So I strongly encouraged my father to invite my mother to the dance. History is restored. 6. With the help of the doctor, the boy successfully returned to the present, but found that history has changed. The doctor is not dead, his father is no longer cowardly, his mother has become more open, the family is rich, and the hooligans who often bully his father turned out to be them housemaid. 7. The doctor drove to the future, and then drove the upgraded car back to the present to take the boy and his girlfriend away. There are problems in the future that they need to solve.
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