Can a troubled investigator rescue humanity from its mistakes? Bill Taggart lost his wife and his last spark of happiness on humanity's new home. Now as part of the team sent to monitor the indigenous aliens on Exilon 5, the investigator hopes to find a clue to explain her disappearance. But when official reports on the mysterious race clash with Bill's findings, he wonders just how many secrets the terraformed planet holds... This book was previously published as Becoming Human.