The narrative centers on the chaotic, picaresque existence of Sebastian Dangerfield as he navigates the social and economic constraints of post-war Dublin. Dangerfield, an American expatriate, struggles to maintain his dignity and lifestyle while battling poverty, his own impulsive nature, and the rigid expectations of the society around him. The narrative framework utilizes a stream-of-consciousness style to capture the protagonist's internal instability and his often-contentious interactions with those he encounters. His objective remains the pursuit of personal freedom, which is constantly undermined by his lack of funds and his tendency toward self-destruction.

This work is frequently analyzed for its significant impact on the mid-twentieth-century literary landscape. Critics often highlight the protagonist's role as a quintessential anti-hero who challenges the moral conventions of his time. The prose style is noted for its rhythmic intensity and its ability to mirror the erratic mental state of the lead character. Readers generally approach the text as a challenging but rewarding study of human desperation and the search for autonomy in a restrictive environment. The legacy of the writing remains a subject of academic interest due to its departure from traditional narrative structures.