于航跟随爸爸去他工作的行星"蓝月亮"过暑假，从休眠保护舱中醒来，却发现飞船上空无一人，只有条拉布拉多犬豆豆。飞船遭到了破坏，电脑数据丢失，并且有三颗定时炸弹。无奈之下，于航带着豆豆上了逃生飞船，结识了飞船AI系统来福7，他们一起逃离了即将爆炸的飞船，决定去"蓝月亮"寻找线索......
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