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Marie is reunited with her geek girl friends when Sterling Vance invites them to present their winning invention at a big tech fair in London. There, the four befriend a young pop star, whose tour Vance is sponsoring. When the pop star disappears on the eve of her high-tech world tour, it's up to Marie and her friends to track her down so the show can go on.
Marie faces her most difficult challenge yet - going undercover! Marie and her three best friends travel to Shanghai for an international gaming tournament. Glitzy parties, infinity pools, and the latest tech are all at their fingertips, but someone is cheating and it's up to Marie to infiltrate the competition and find the culprit!