The enemy space fleet is continuously attacking the capital planet Prime, the last center of resistance in the Systems Union. The defenders have no chance to survive, but they stand to the death, not knowing that the solution to the mystery is close. A smuggler who has become the last hope of civilization seems to have found a way to save the world. But won't the price of salvation be too high? His grand discovery could either save the world or destroy it completely. Prime's scouts, who studied the underbelly of the dark world, revealed all the secrets of the invading army. But they went too far into the dark zone, and they were not destined to return with valuable information. The latest attack by Prime's defenders threatens to escalate into mutual extermination. Armadas of warships converge in decisive battles, heroes sacrifice themselves to save the world and loved ones. It is unknown who will win the final battle. Only one thing is clear: Prime is destined to fall.