The transport ship "Frozen", belonging to the Earth, collided with a meteorite during a transport mission.
Having received considerable damage, the engine of the ship refused, and the ship crashed into the colony No. 17.
Despite the fact that the personnel was not injured, all the fuel was exhausted as a result of the accident. Fortunately, the crystals of Zeni,
living on this planet, can be used as a fuel substitute.
The deputy captain of the ship, Suzu, is sent to a dangerous world to safely return everyone home.