Two teenage brothers, Chris and Mikey, think their father may be the most boring man in existence. He is a safety specialist and never fails to remind his two adventuresome sons about the amazing benefit of kneepads, helmets, etc. When their father fails to return from a business trip, the two brothers are shocked to find an attractive alien teenage girl in their living room. She informs them that their father is an intergalactic space hero, who has been captured by an evil race. It is now up to them to save the universe.