Naïve man-child Johnny stumbles upon an anonymous box on his quiet Brooklyn street. Panicky residents gather to investigate. What's in it, and who left it? Good-natured Steve struggles to be the voice of reason as and speculation turns to accusation. Prejudice and crackpot theories turn neighbor against neighbor. Is Johnny's far-fetched story about the box correct, or is there an even more fiendish plot behind it all?