As the young boy, named Leo, adjusts to life in Paris with the priest, he becomes entangled in a dangerous world of crime and corruption. Meanwhile, Depardieu's character, named Antoine, struggles with his own demons as he grapples with his past and his role in Leo's life.
The story delves into themes of redemption, family, and the battle between good and evil. As the two men navigate their own personal challenges, they must also confront their respective guardian angels, who serve as both guides and foes in their internal struggles.
As the plot unfolds, secrets from the past are revealed, leading to a climactic showdown between Antoine and the forces that threaten Leo's safety. With the help of the priest and their guardian angels, Antoine and Leo must band together to overcome the obstacles in their path and find redemption in the face of adversity.