The Aurelia family's twin daughter Evelyn is born with dark magic and imprisoned from childhood. Her sister Elena, a white magic heir, is brutally killed on her engagement night, with her magic core stolen. To avenge her sister and uncover the truth, Evelyn sneaks into Blackwell Academy disguised as Elena. She gradually exposes Project Black Eden, a sinister scheme plotted by the High Wizard Council. The council sacrifices innocent witches in an attempt to ascend to godhood.
Evelyn teams up with Cyrus, heir of the Darkwitch Frontier, and other allies to destroy the ritual sub-arrays. Eventually, she combines white and dark magic, defeats the mastermind and the demonic Black Eden Tree. The ruined academy is turned into a shelter for victims. Evelyn and Cyrus finally live a peaceful life.
