Juichiro Osugi, a demotivated weather forecaster, suddenly comes to believe that he is from Mars after mysteriously struck by blinding light. About the same time, his children also awake as aliens. They believe that they have different missions to accomplish on Earth and Juichiro believes his is to let people realize the immediate danger of environmental crisis. His peculiar plea to save the beautiful planet earns him the limelight; however, a mysterious would-be alien appears to claim against Juichiro. Once a frivolous weatherman now desperately tries to let the man and his audience understand his conviction, not knowing the fate awaiting him ahead.