Four astronauts have to stay 1000 days in a space station around Earth in order to prove that a trip to Europa, one of Jupiter's moon, is possible. The experience goes well until something happens on earth.。清贫书生王子进进京赶考,被下凡取丹的小狐妖白十三盯上。只要杀了王子进,取了丹,就能晋升狐仙。但没想取丹路上,一人一狐竟成了最好的朋友。在历尽万险后,白十三该作何选择?。