Storm Voeten (12) is the son of printer Klaas Voeten, who secretly prints banned texts. Unintentionally, Storm becomes the object of a headhunt for an important letter by Martin Luther, during which his father is arrested.
Threatened by the Inquisition and aided by Marieke (12), an orphan girl who lives in the underground sewers of Antwerp, Storm is caught in a race against time to save his father from death as a heretic and struggle for everyone’s freedom.