Examines what happens to the unconscious mind while under the effects of anesthesia, tracing the author's own experiences with surgery and the personal accounts of others who have experienced trauma, hallucinations, and submerged memories while under anesthesia.

"Newly minted chief resident at Boston Memorial Hospital Noah Rothauser is swamped in his new position, from managing the surgical schedules to dealing with the fallouts from patient deaths. Known for its medical advances, the famed teaching hospital has fitted several ORs as "hybrid operating rooms of the future"-- an improvement that seems positive until an anesthesia error during a routine procedure results in the death of an otherwise healthy...