Planetary Calendar 214. Four years have passed since the end of the Solar War. Our protagonist, marked by the loss of his comrades in the war, is assigned to the Jovian patrol ship Gun-Dog when he receives the mission to investigate mysterious signals coming from the edge of Jovian space. What the Gun-Dog crew does not know is that deep in the star ocean, a new danger lurks, threatening not only the Gun-Dog but its entire crew.

Step into the role of the Gun-Dog's security officer and try to save the ship from an unknown attacker while navigating through the paranoia, conspiracies, and feuds that erupt among the crew. Can you overcome the challenges that await you as camaraderie crumbles?.