The fourth book of the cycle "Museum exhibit." The island is full of weapons and modern technology. A coveted trophy for any soldier! And nearly four hundred thousand civilians... former slaves and miners. And all this is in a hostile environment. Yes, you can blow up mines and factories, board ships and sail, leaving behind a scorched desert. So that the enemy could not use local resources for a very long time. It is possible - and this will be the best and most advantageous way out of a difficult situation. But... Throw the former slaves and captives of the former masters to certain death? And the commander of the cruiser "Thunder" decides - we stay!