Heimlich im Museum [Secretly in the Museum] [prev. They Stole a Million!]

Theft in the Hanseatic city! The world's best-known stamp collection is currently in a special exhibition in Hamburg's Deichtorhallen. Among art collectors, the six blue Mauritians are among the most coveted art objects in the world. The extravagant art lover Mr. Pink is after the valuable stamps. He needs a team of highly professional, top-trained specialists to commit a coup in a class of its own - the theft of the blue Mauritians!