The mystery-solving teens are best friends but have only met online — until Daphne transfers to Velma’s school, Ridge Valley High, stocked with high-tech gadgetry by the school’s benefactor, tech billionaire Tobias Bloom. While their peers vie for a coveted internship at Bloom’s company, Daphne and Velma try to uncover the reason why the school’s brightest students are disappearing — only to emerge again in a zombie-fied state.