Oscar Starling never wanted to move to Chicago. The smog, the stench, the thieves around every corner -- it's so different from his old life on the farm. Will the big city ever feel like home? But shortly after Oscar arrives, a huge fire breaks out. All of Chicago is ablaze and one thing is clear: the city is like a powder keg, ready to explode. An army of firemen tries to help, but this fire is a ferocious beast that wants to devour everything in its path. Will Oscar -- and his new city and new friends -- survive one of the most famous and devastating fires in history?