Convinced that the key to the mystery lies within her, Hafsa risks everything to get answers and keep her loved ones out of danger. 

Hafsa begins to piece the puzzle together but finds herself up against increasingly threatening and determined ennemies. 

Beset by increasingly strange phenomena, Hafsa tries to understand what happened the night Belphégor's mask vanished. 

Hafsa, a newly hired art restorer at the Louvre, is thrown into chaos when she comes face-to-face with a mysterious millennia-old mask.