In 2011, while NASA astronauts Brian and Joe were fixing a satellite in space, they were attacked by mysterious creatures. Unsure how to explain what he saw, Brian terminates his career and falls into despair. In 2021, conspiracy theory proponent K.C. learns that the moon is shifting out of orbit and desperately tries to get his side of the story to NASA. He soon meets Brian, who supports his theory. Meanwhile at NASA, Joe realizes what is happening and realizes that humanity has only three weeks left before the moon crashes into the Earth. Desperate to prevent disaster, Joe reunites with Brian, and together with K.C., they take a space shuttle to the moon, where they encounter a new life form.