Pluk has a great red crane truck, but no home. Like every little boy, he needs a place to live. So it fits well that a tower room is available in the colorful Petteflet apartment block. Pluk can move in here and immediately makes new friends, but he also gets in a lot of trouble: With Ms. Sauberer, who always cleans, and the architect who wants to cut down the idyllic Turtelpark ...

Dolf a 15 year old boy is sent back in time by a timemachine. Accidentally he is sent back to the Middle Ages. He is rescued by children who are part of a childrens' crusade, on their way to rescue Jeruzalem. During the trip Dolf finds out the danger is not coming from outside the crusade, but from within.