During his baptism, which takes place at the age of ten, Christian commits an unexpected and mysterious gesture in church, which worries his parents. Father Siro, a man of the church and Christian's educator, reassures them by explaining to them that Christian is only a child with a different sensitivity from that of his peers. But speaking privately to little Christian, Father Siro appears anything but reassuring, revealing to the child that a long and tortuous journey awaits him in his adult l...