The film is based on a series of immensely popular Swedish children's books, about the boy Bert, who is just hitting puberty and having the usual problems with it. But that's where the usual ends abruptly.
Aided by his dog Tubbe, private detective Anders Grip solve mysteries in Stockholm from a house boat.
"The Theater-creaters" - About the actor Bruscon, who stops in the small village of Utzbach on tour and tries to successfully bring his play "Das Rad der Geschichte/The Wheel of History" on stage. His whole family - the wife, son and daughter - are involved as actors.
