The year is 3000 and vehicles work like trees (carbon dioxide in and oxygen out) to help to the environment, but it was too late. Really bad, almost world ending, stuff happened, so a lot of people are gone. Really bad, almost world ending, stuff happened, so a lot of people are gone. However, Daisy and Eli have decided to go around helping those they can, however they can (if they can) by driving their air truck around and along the way they fall in love. (girl x girl)