Spirou and Fantasio who are in an economic slump, are forced to eat an inexpensive dinner, and as Fantasio chokes on a bite of Lucky's Pizza, they become the finders of the golden key.
In a state of economic struggle, Spirou and Fantasio are forced to eat a cheap meal. Their financial woes take a surprising turn when Fantasio chokes on a bite of Lucky's Pizza, leading them to stumble upon the golden key.