A man of unwavering faith is tested by divine wrath, losing everything he holds dear. Archibald MacLeish's dramatic poem reimagines the Biblical story of Job, focusing on the profound suffering and existential questions that arise from inexplicable misfortune. The narrative explores the limits of human understanding when confronted with cosmic injustice, as Job grapples with his loss and questions the nature of God's will. The work is presented as a dramatic play, allowing for a theatrical exploration of Job's internal and external struggles.

Archibald MacLeish's "J.B." is widely regarded as a significant work of 20th-century American drama and poetry. Critics have often praised its intellectual depth and its ambitious engagement with timeless theological and philosophical questions. The play's structure, which frames Job's story within a modern context, has been noted for its innovative approach to a classic narrative. While some find its philosophical discourse dense, the work is generally celebrated for its powerful exploration of faith and suffering in the face of inexplicable hardship.