Brutal murders on the Nelson Mandela Medical Space Station throw the hospital into turmoil. Staff are torn apart. Patients and doctors go missing. The Chief of Staff is tortured on station-wide net screen while an ultimatum is issued. Dr. Grace Lord must be handed over, in exchange for the Chief, or he dies. Though Grace begs to turn herself in, her request is denied. While Bud launches a rescue attempt on the Chief of Staff, Grace disappears and the medical station's self-destruct sequence is mysteriously activated. Can Bud rescue Grace Lord as he tries to prevent the station from annihilating itself?