It is a long story, which is basically the story of the reborn fourth-generation adults and Xiaodie, the orphan of the Nihuan tribe. It contains family, friendship, love, conspiracy, design, traps, etc. In short, it makes you fall into a trap and cannot extricate yourself. When the truth is finally revealed, you realize that the result is so obvious! It's just that you didn't notice my foreshadowing!