Sanctuary

The planet Sanctuary -- A fabled world in unexplored space which is thought to be the last refuge of the persecuted, home to both the justly and unjustly accused. Though its name has been translated into every language in the galaxy, Starfleet has never known its exact location.
When the crew of the U.S.S. Enterprise is assigned to capture a dangerous criminal named Auk Rex, their pursuit takes them to an unexplored sector of space. Captain Kirk, Mr. Spock, and Dr. McCoy continue the pursuit in a shuttlecraft, following Auk Rex to the surface of the planet, Sanctuary. Soon, Kirk and his crew are locked in a life and death struggle on the mysteriouus planet, which harbors deadly secrets and never releases its visitors.
Sanctuary--a fabled world in unexplored space thought to be the last refuge of the persecuted, and home to the justly and unjustly accused. It is here that the U.S.S. Enterprise journeys in pursuit of a dangerous criminal. And it is here that Kirk, Spock and McCoy encounter the androgynous alien race who will allow no one to leave the planet. Original.