Smith races against time to get the murderer, Ganston, to Oz, the Joint Penal Colony whose location on the Martian frontier is a well-guarded secret. But there are men intent on rescuing Ganston and killing Smith. And they’re closing in. But little do they know Smith has other plans for them, and for Ganston too… Frontier Justice is a 5,000 short story set on Mars in the near future.