Lu Li, a college student, accidentally received the rebirth system and was selected by the system to travel through different worlds, completing various tasks to obtain rewards and improve his abilities. In the experience of experiencing multiple worlds such as ancient times, the end of the world, and the future, Lu Li gradually grew up, met different characters, and experienced various lives. At the same time, Lu Li discovered that the system was not as simple as it seemed, and there was a huge conspiracy hidden behind it. He began to investigate the truth of the system and started a confrontation with Qin Yuan, who also owned the system. He finally revealed the secrets of the system, found the meaning of his existence, successfully got rid of the control of the system, and completed his self-salvation.