Dante, a young man suffering from terminal brain cancer, is trapped in the deadly rule‑based dungeon of Blackwood Academy. He gains the rare power to hear voices from objects. With secret hints from items, he teams up with friends Mason and Chloe to survive cruel trials representing seven deadly vices. Faced with tempting wishes, Dante refuses to trade his soul for survival and passes the final test of greed. After clearing the dungeon, his fatal illness is cured. He returns to reality, keeping his special ability.
