Marvin, a robot, and his son, William, are wrongly accused of murder and thrown into Elvistine Jail. After ten long months, Marvin finally puts his escape plan into action. During his breakout, he finds Chernobog, a magical axe that gives him great power. With his son by his side, he fights through the prison, determined to uncover the truth and take revenge on those who betrayed them. But in a world where robots and magic mix, power always comes with a price.