In a near-future world, sixteen-year-old Emma discovers a strange coded message hidden in an old diary from her grandmother. The message seems to be leading her to a secret underground society that has been working to prevent a digital apocalypse. With the help of her friends, Emma must decipher the code and uncover secrets that could change everything she knows about the world. In a near-future world, sixteen-year-old Emma discovers a strange coded message hidden in an old diary from her grandmother. The message seems to be leading her to a secret underground society that has been working to prevent a digital apocalypse. With the help of her friends, Emma must decipher the code and uncover secrets that could change everything she knows about the world.