Blinker, a boy who likes to play a detective, goes looking for the stolen family jewels of a baroness together with his friends Nellie and Sara.

Blinker just can't stop to set himself up as a detective who solves village mysteries. This time he goes looking for the valuable, stolen family jewels of the deceased baroness and their thieves. He becomes reckless and drags his girlfriend Nelle and her deaf niece Sara along in thrilling and dangerous adventures.—Hannelore Goossens