A woman confronts the ghosts of her past and the confines of her present life. Anne Sexton's collection of poems delves into the raw, often painful, landscape of the human psyche. Through vivid imagery and unflinching honesty, she explores themes of mental illness, sexuality, domesticity, and the search for identity. The poems are characterized by their confessional style, offering intimate glimpses into the poet's own experiences and struggles, often set against the backdrop of societal expectations and personal demons.

Anne Sexton's "45 Mercy Street" is widely recognized as a significant work within her confessional poetry canon. Critics often highlight the collection's unflinching honesty and its exploration of deeply personal and often taboo subjects, including mental illness and sexuality. The poems are frequently praised for their raw emotional power and their stark, memorable imagery. Readers often connect with the vulnerability and directness of Sexton's voice, finding resonance in her exploration of the darker aspects of the human experience.