The Jesuit is the alias of a man who was wrongly accused and became imprisoned. When The Jesuit discovers that his wife has been murdered and his son kidnapped and taken to Mexico, he elaborates a complex and dangerous plan to rescue his son and avenge the death of his deceased wife.
Diana, a young woman who lost her sight, finds a guide in a Chinese boy named Chin. Together they will track down a dangerous killer th rough the darkness of Italy.