This paper proffers mapping Mental Disorders by employing a narratological lens in Jonathan Rosen's The Best Minds: A Story of Friendship, Madness, and the Tragedy of Good Intentions focusing on the volatility of emotions, malady of mental disorder through the spectrum of narratology and positing conundrum to the mind. It emphasizes how the mechanism of storytelling mirrors the intricacies of mental disorders in myriad ways. The study involves interdisciplinary techniques combining the psychological theories of Marsha Linehan and Otto Kernberg with relation to literary analysis embodying narratological elements. A narratology is an imperative tool in Literature for shaping psychological representations. It analyzes how the mental disorder is intertwined into the narrative depicting the thematic undertones, structure of plot development, and shaping the identities of the characters. The research encompasses a broader discourse to bridge the gap between the psychological underpinnings of mental disorders and their literary insights.