The universe is ruled by the Fourth Reich. Under the wise leadership of Kaiser Wilhelm III, humanity defeated the Dbigu race. Individuals of the losing race are now used to create living ships, controlled through a symbiont implanted in the skull. Now earthly ships can reach the most remote areas of the universe. One problem: deep space is closed to adults. Around the age of ten, the body rejects the symbiont. While adults are sitting on conquered planets, seven-, eight-, nine-year-old captains are conducting a fierce and persistent expansion. Childish: playful, fearless and cruel. At one point in space near an earth-like planet, four insemination vessels surfaced. How to decide who will get the new world?