So what happened was afraid of all humanity, on the ground attacked by aliens. You are the last line of defense of your city. For a quick hand, scientists invented the airplane, which absorbs laser enemies, and sends it to power in the of themselves. Your job is to sit at the control of the machine and save your home. After each level you can improve the city and the ship itself. Every day you'll be exposed to attacks from the air, the time to rest you will not.