Rebilius Cruso relates the story of a man's shipwreck on a desert island for twenty-eight years and his subsequent adventures. Throughout its episodic narrative, Crusoe's struggles with faith are apparent as he bargains with God in times of life-threatening crises, but time and again he turns his back after his deliverances. He is finally content with his lot in life, separated from society, following a more genuine conversion experience. The novel has been assumed to be based in part on the story of the Scottish castaway Alexander Selkirk, who spent four years stranded in the Juan Fernández Islands, but his experience is inconsistent with the details of the narrative. The island Selkirk lived on, Más a Tierra (Closer to Land) was renamed Robinson