Andrea Adams, known to her friends as Andy (or Andy Einstein), is a typical 14-year-old geek. Loves books, computers and anything that has to do with machines. Her life was as normal as it could be. Annoying siblings, annoying school, cool friends and good grades. But when her best friend, Hayden Laurone, discovers an out of this world secret, an alien girl and her hide out right in their neighbourhood, she and her friends are convinced this alien is up to no good and decide to investigate her arrival and plans on their own. What will she and her group of friends do to stop this imposter from invading the earth? What will they find out about her sudden arrival? Will they stop the alien from causing havoc? Will they be saving the earth? Or do they end up going after the wrong invader? Will they find the truth about her visit? Only space and time will tell.