"Manon Lescaut" is a tragic novel about a young man of good family who sacrifices everything for his passionate love for a beautiful but deceitful woman, Manon. Despite his sincere love for Manon, she continually betrays him for wealth and comfort, leading to their downfall. The story is a cautionary tale about the destructive power of obsessive love and the tragic consequences of a lack of moral strength and self-discipline.