Attending an elite school where enterprising students are challenged to solve a variety of clues and puzzles using computer programming, Hopper and her friend, Eni, resolve to crack the school founder's most elusive mystery together.

Determined to learn the history of once-elite Stately Academy, Hopper, Eni, and Josh are challenged to outmaneuver Principal Dean, who demands that the team turn over their most powerful robot and threatening coding genius, Professor One-Zero.