 While playing hookey from school, the pair decide to go to the local airport, where Jason's uncle works, for some excitement.When they find aircraft are left unlocked, they sneak inside for a better look, trying out the controls first on a small light aircraft and then checks out a larger, twin-engined airliner.The mysterious, silvery aircraft is in a hangar but suddenly, the hangar doors open and the boys immediately hides as not to get in trouble, thinking that whoever it is will simply fetch or drop something off and then leave again.