Plot: A spaceship shaped like a human lands face first on Liberty Island. Its crew (of tiny, intelligent, and unemotional beings) is looking for an orb sent from its planet to extract the oceans' salt, which will ruin Earth. The orb is in the possession of Josh, the fifth-grade son of a single mom whose car strikes the ambulatory alien spaceship and cripples its power supply. The crew has 48 hours to recover the orb, throw it in the Atlantic, and leave Earth. Over the course of two days, the ship's crew experiences chaos and emotion in New York. Do Earth's giants - Josh and his mom - have anything to teach these brainy aliens? Meanwhile, mutiny is afoot and the cops are closing in.
Alternative Plot: Dave Ming Chang (Eddie Murphy) is the ultimate fish out of water. Even though he's just arrived in New York, that doesn't explain his odd behavior or disjointed locomotion. The outside Dave is actually a spaceship, controlled by a crew of tiny aliens, and modeled after their captain. As the crew contends with a slew of physical challenges, such as eating, drinking and excreting, they begin to experience profound emotional changes as well.
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