Rocky, Vena, Bobby and Biff land their rocket The Silver Moon for refueling on Ankapore, a planet that is a haven for criminals, since it refuses to sign extradition treaties with the United Planets. Griff, Rudy DeMarco and Dr. Reno see a chance to settle old scores against Rocky and contrive a fight. Rocky is accused of assault, attempted murder, and finally piracy when Griff's space ship the YC-47 disappears.