When the tree dies, the land will be like the "western root region" and all life forms will die. The family decides to leave, but they don't know where they're going. They need help, they think, from other regions, but the union won't let them join, and they can't buy any of the goods they need. The youngest son goes missing while gathering herbs. The second son dies from a beating, and the father starts drinking ever since. Finally, the family decides it's best if they go missing.