Ever since Al Capone built Happyland Amusement Park in the 1930s, treasure hunters have believed Capones lost fortune awaits somewhere at the end of a hidden ride no one has ever found, until tonight. When Henry finds a set of blueprints leading to the loot, he recruits his best friend and big sister on the quest. The kids quickly find themselves on an incredible adventure when they sneak into the abandoned park and witness it's attractions magically...

The story of the glorious, fierce, larger-than-life depiction of mob warlord Al Capone who ruled Prohibition-era Chicago ... and Eliot Ness, the law enforcer, who vowed to bring him down. A classic confrontation between good and evil, and how with the help of a cop named Malone, Ness learns how to beat the mob by shooting fast and shooting first.