After a Cheyenne foster child goes missing, Walt and the team investigate the boy's birth family on the Rez; two more Cheyenne foster boys disappear and an unregistered sex offender is reported missing.
It's clear to Walt that the body has been moved from the original crime scene--but why? He discovers that the victim had a gambling problem and delves into the seedy world of an underground poker game run out of a tattoo parlor. HD