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Written by James O'Hara and Linh Banh, Walled City is a one-hour science fiction ensemble drama with cyberpunk and noir influences. The story follows the powerful Liu family as they compete for preeminence in a resource-scarce city-state beset by extreme weather events. Inspired by the historical Kowloon Walled City of early Hong Kong, the narrative envisions a compact city of dense alleys, secret corridors, and neon-infused competitive commerce.