A pyromaniac is preying on the slums and tenement buildings of the city, bringing danger and misery to the lives of the some of its most vunerable citizens. The police are searching in vain for the firebug who holds the city in a grip of terror. But if a certain masked duo is right, there may be more to this arson spree than meets the eye. Can even the Red Panda and The Flying Squirrel withstand the flames of... Brimstone Alley?