When the Rangers discover that a group of wealthy teenagers is beating up Dallas' homeless and videotaping the exploits, Walker goes undercover to catch the gang.
Walker investigates alien sightings in a small Texas town, after he and Alex find a traumatized little girl who claims her father was captured by the "Skypeople".
A young Chinese man and two rival Chinese gangs vie for the possession of a powerful jade dragon with magical powers, for very different reasons.
Walker must figure out who is trying to sabotage a Native American race car team as it prepares for a big race.
When the driver of Team Cherokees car is sidelined Walker must take the wheel to keep the team from being disqualified from the race.