Rupert's trek into the forest to find the infamous "mysterious cat creature" leads him to Mulder, a new friend who is in trouble and needs Rupert's help to get home . a planet in another solar system. Now Rupert and Mulder have to find a decades-old spaceship, steal it from its tightly secured hiding place, find enough of its power source to get it working again, elude the Military men following them, avoid Rupert's nasty new neighbour, and keep Mulder safely hidden-all before Rupert's Mum comers home from a weekend business trip! And then there's that recent bank robbery to deal with ....