Daphne Blake transfers to Ridge Valley High, where she finally meets her online friend Velma Dinkley in person. Both girls share a passion for solving mysteries and are soon intrigued by the strange occurrences at their cutting-edge, tech-savvy school. Students at Ridge Valley High have been disappearing, only to return as strangely robotic versions of themselves. The school's emphasis on innovation includes high-tech gadgets and a virtual reality system known as "Bloom Brains." Daphne quickly discovers that something sinister may be lurking beneath the surface of this supposed utopia.

As Daphne and Velma dig deeper, they uncover a series of clues pointing to a larger conspiracy involving the school's administration and their revolutionary technology. Their friendship is tested as they navigate various challenges, including trying to fit in with their peers and handling the advanced technology at their disposal. Determined to solve the mystery, they combine their unique talents—Daphne's knack for understanding people and Velma's analytical brilliance—to piece together the puzzle. This collaboration leads them down a path filled with danger, adventure, and the realization that things are not always what they seem.