To steal the Gold Coin of El Dorado, Joker and Hachi go to New York disguised as patrons of the American Federal Bank. Spider Ace of the Devil's Fang has come to the bank to take out Joker, but he ends up getting confused for a bank robber. Left with no other choice, he takes hostages and barricades himself in. When the police surround the building, he fires off a bazooka to disperse them. Diving in to save them is Rainbow Justice, a self-proclaimed superhero!