It's all haywire! Baby Bruno escapes his play pen together with his teddy Honk, crashes his fathers car and causes a police raid after making obscene phone calls. In the meantime Grandpa constructs a spacecraft made of cardboxes and sends Bruno and Honk to outer space to find intergalactic chocolate nuts.
As Paul and Renate Bommel leave their home for a confirmation ceremony of a friend, Baby Bruno floods the bathroom with lots of water and detergent. On the way to the event the battered car of Grandpa Bommel unfortunately conks out and Paul and Renate Bommel have to repair their vehicle in a car workshop. Meanwhile Grandpa Bommel invites his colleagues and assists Baby Bruno's ghost hunt in the neighbors house.
His boss orders Paul Bommel to organise the visitation of arabic investors. Paul gullibly transfers his tasks to the janitor, Mrs. Hoppmann, who tries to convince their guests with an awkward and clichéd presentation. In the meantime, Teddy Honk disappears during fishing in a moment of carelessness, initiating Baby Bruno's serach to recover his lost friend.
After bugging his father Paul about the purchase of a bobby car, Baby Bruno meets a cute girl in their neighborhood. Consequently he ponders how to impress her and simultaneously outclass his opponent, the neighbor's boy. Meanwhile, Paul and Grandpa Bommel participate in a quiz show called "Grab that dough", not sparing any embarassing moments.