January 1519: Constable Charles de Bourbon orders Captain Philippe d’Alesani to rid France of its witches and catch those trying to escape the Holy Inquisition. It is during this assignment that d’Alesani stabs Bune, a horrible sorcerer who has opened Abaddon’s Gate, the portal of evil, and dies before revealing its location.
January 2019, South of France: Isabelle lives a hellish life with an alcoholic and violent husband. Her son sets out to murder this father who terrorizes them both. At the same time, Major Patricia Lagazzi, a police officer and expert in criminal cases linked with unexplained phenomena, is assigned to the Landes region of France to investigate a series of disappearances that occur there in strange circumstances.
These two stories happening centuries apart will suddenly collide in a struggle that mixes witchcraft, religious order, and the special services of the Ministry of National Security.
In the end, is it good or evil that will prevail?