Shade sets the main plot of the novel in motion when he impetuously defies that law , and inadvertently initiates a chain of events that leads to the destruction of his colony 's home , forcing their premature migration , and his separation from them .

Shade sets the main plot of the novel in motion when he breaks that law , and starts a chain of events that leads to the destruction of his group 's home , forcing their premature migration , and his separation from them .
