Cassie Barrett, a suburban housewife struggling with alcoholism and personal instability, finds herself committed to a psychiatric ward where she must confront the wreckage of her life. Cassie navigates the rigid expectations of 1960s domesticity while battling internal demons and a volatile marriage. Her primary objective is to reclaim her sense of self-worth amidst the clinical environment of a mental institution. The narrative utilizes a sharp, first-person perspective that highlights the protagonist's cynical wit as a defense mechanism against the institutional and social forces attempting to define her identity.

Readers and critics frequently highlight the balance between the protagonist's sharp, comedic voice and the serious subject matter of addiction and mental health. Discussion often centers on the effectiveness of Cassie's humor as a tool for survival within a restrictive social environment. Many reviewers note that the narrative successfully captures the specific anxieties of the 1960s while maintaining a focus on the universal struggle for personal autonomy. The book is often cited for its ability to evoke both laughter and empathy, making it a notable example of character-driven fiction from its era.