The ability to survive in any situation is the main feature of Eduard Gavroshev. An absurd death on his native Earth gave him new life and new opportunities in another world. A junkyard planet and abandoned cities of a space civilization, the remnants of survivors, and it seems there is no chance for a little tinsmith named Zak On to get out. He wants to conquer the vastness of space, but first he must escape from the closed world.