In a steampunk London, the water supply is being drained by an unknown source. Two young explorers Billy and Emma, travel the dangerous sewers, searching for Billy's missing father. They soon end up finding a door to another world underneath ours, a world of goblins, which could hold the key to saving London’s water crisis and lead to Billy’s true destiny of leading a revolution that will save not just our world, but the other worlds out there too.

Animated children's adventure, Billy and the Goblin Rebellion is a triumphant and enchanting tale of good versus evil.