Lin Xu found out that her husband Lin Hengyi's mistress was up to no good. Unexpectedly, she was beaten with a stick. When she woke up, she only had the memory of being eighteen years old. It was the age of mechas and the new era of 2046. Therefore, thirty-year-old Lin Xu only had the IQ of an eighteen-year-old. What could he do at the age of eighteen? His brain was not fully developed and his limbs were well-developed. His parents remarried and he had a sinister brother. He went astray to protect minors and took custody of his younger brother in the name of his husband. A series of strange things happened, to be continued.