Four teenagers from completely different backgrounds attend a summer camp called Rim of the World located in the mountains of southern California. While there, aliens from space begin to attack the area. The teens soon after, come across an astronaut pod with a woman inside. She entrusts Alex (Jack Gore) with the key that has the information to stop the invasion, a trek from the camp all the way to Pasadena, California. Along the way, the four begin to know each other more and bond while fighting off any obstacles on their way there. At JPL, nerdy Alex, joker Dariush, tough guy Gabriel and Chinese tomboy Zhen Zhen work together to stop the invasion and Alex nearly sacrifices his life, and are victorious in the end.