The blueprints of an aeroplane built from an ultra-secret metal are stolen from national security. French secret service agent Walder believes that the documents are now in Switzerland, in the hands of a man named Lindbaum. The latter agrees to hand over the blueprints in return for a large sum of money. Another agent,…

The plot concerns a Montreal suburbanite who becomes obsessed with his award-winning lawn, which has become infested with a ground fungus. His neighbour across the street identifies the species as Amanita pestilens (not a real species, although Amanita is a real genus). The mushrooms prove impossible to eradicate, and …