When Sara and her friends start a new summer of research at Camp Newton, the science nerds think their biggest challenge will be a drone construction contest. Instead, they can't believe their eyes when they come across the extraterrestrial Hoshi, who crashes his flying saucer right at their feet. An alien? Seriously? The kids are eager to help Hoshi, who is hunted by the shady "Agency". But they also know: Only if you trust your friends and keep your promises, fortune favors the brave.