The narrative follows the obsessive and destructive romance between the Chevalier des Grieux and the alluring Manon Lescaut, a connection that leads both characters toward inevitable ruin. Des Grieux, a young man of noble standing, abandons his future and moral compass to pursue Manon, whose own desires and survival instincts frequently clash with his idealistic devotion. Their relationship is marked by cycles of betrayal, poverty, and social disgrace, forcing them to navigate the rigid hierarchies of eighteenth-century France. The story is presented as a first-person account, raising questions about the reliability of the narrator as he recounts his descent into moral chaos.

Readers and critics frequently analyze the work for its complex portrayal of love and the ambiguity surrounding Manon's true motivations. Discussion often centers on the reliability of Des Grieux as a narrator, as his perspective is heavily colored by his intense emotional attachment. The pacing is noted for its rapid descent from Parisian luxury to the harsh realities of exile, which highlights the volatility of the protagonists' lives. Scholars often emphasize the text's role in challenging contemporary moral standards regarding passion and social standing. The work remains a subject of debate due to its refusal to provide a clear moral judgment on the actions of its central characters.