A thrilling adventure! A dangerous thief is at large in the museum. How brave are Maurits Mouse and his friends? Can they save the girl with the pearl earring?
At night, when all is quiet, out pops Maurits Mouse. He stretches, straightens his collar and smooths down his coat. He’s heading for his girl with the pearl earring and the sweet smile. Nothing will stop him, not even delicious food and beautiful flowers. But where is she? She’s gone!
