"The future. Metropolis is a wonderful city, high above the ground its towers stand. The people prosper, the economy is flourishing, the suspended streets are busy. But Metropolis also has a great secret, so hidden that not even Freder Fredersen, son of founder Joh Fredersen knows about it. He is spending his free time in the Eternal Gardens, when suddenly a woman shows up, with what looks like a class of children. They're from the City of Workers,...