# Sarah Keate — The Patient in Room 18 character guide > Sarah Keate in The Patient in Room 18 by Mignon G. Eberhart. **Role:** minor **Also known as:** Sarah **First appearance:** 0001-the-patient-in-room-18 ## Who they are A nurse, possibly Miss Keate's full name. ## Relationships ### [Corole Letheny](https://www.betterreads.dev/discover/the_patient_in_room_18_se/characters/corole_letheny) _friendship_ Corole and Sarah Keate are friends or allies, with a supportive dynamic. ### [Corole Letheny](https://www.betterreads.dev/discover/the_patient_in_room_18_se/characters/corole_letheny) _friendship_ Corole and Sarah Keate are friends or allies, with a supportive dynamic. ## In the story ### [The Patient in Room 18](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/the-patient-in-room-18) The nurse on duty, observant and increasingly suspicious of the events surrounding Room 18. ### [II: In Room 18](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/ii-in-room-18) Narrator and head nurse; discovers Mr. Jackson's body and suspects murder. ### [III: Dr. Letheny Does Not Return](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/iii-dr-letheny-does-not-return) The superintendent of the south wing, she is interrogated by O'Leary and becomes a suspect in the death of Mr. Jackson. ### [IV: A Yellow Slicker and Other Problems](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/iv-a-yellow-slicker-and-other-problems) Recovers from shock after learning of Dr. Letheny's death; agrees to help O'Leary investigate; reflects on the locked closet and Maida's lie. ### [V: A Lapis Cuff Link](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/v-a-lapis-cuff-link) Narrator and nurse who becomes actively involved in the investigation. ### [VI: I Make a Discovery—and Regret It](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/vi-i-make-a-discovery-and-regret-it) Sarah is the narrator and protagonist; she discovers the morphine discrepancy and confronts Maida about her lie, deepening her alarm. ### [VII: The Disappearing Key and Part of an Inquest](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/vii-the-disappearing-key-and-part-of-an-inquest) Narrates the chapter, testifies about finding Mr. Jackson dead and the stolen radium, and discovers the key to the south door was moved. ### [A Gold Sequin](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/viii-a-gold-sequin) Narrator and nurse; discovers the gold sequin in Room 18 and investigates its origin. ### [Under the Barberry Bush](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/ix-under-the-barberry-bush) Leads O'Leary to the barberry bush where the syringe was thrown; identifies the syringe as Maida's. ### [X: A Midnight Visitor](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/x-a-midnight-visitor) Narrator and night nurse; experiences a moment of eerie perception of the hospital; tends to Sonny and Mr. Gastin; discovers Corole in Room 18 and later suspects she was searching for the radium. ### [By the Light of a Match](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xi-by-the-light-of-a-match) Narrator; learns Higgins's secret and discovers Gainsay eavesdropping. ### [Room 18 Again](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xii-room-18-again) Narrator; searches for Higgins, discovers missing key, experiences blackout and gunshot, finds Higgins's body. ### [The Radium Appears](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xiii-the-radium-appears) Narrates the chapter, recalls her account book entries, reports the missing key, and discusses the case with O'Leary. ### [XIV: A Matter of Evidence](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xiv-a-matter-of-evidence) Narrates events; assists O'Leary; recounts finding the radium and letting Gainsay out the south door. ### [XV: Corole Is Moved to Candour](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xv-corole-is-moved-to-candour) Narrates the chapter; encounters Corole at the south door and reluctantly allows her to stay at St. Ann's. ### [XVI: The Red Light Above the Door](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xvi-the-red-light-above-the-door) Receives Huldah's warning, learns radium is in Room 18, and waits for the red light signal. ### [O'Leary Tells a Story](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xvii-o-leary-tells-a-story) Narrator who enters Room 18, witnesses the struggle, and follows O'Leary's instructions. ### [XVIII: O’Leary Revises His Story](https://www.betterreads.dev/discover/the_patient_in_room_18_se/chapters/xviii-o-leary-revises-his-story) Narrates the final events; reflects on the resolution and her lingering feelings about Room 18. ## Links - HTML: https://www.betterreads.dev/discover/the_patient_in_room_18_se/characters/sarah_keate - Book: https://www.betterreads.dev/discover/the_patient_in_room_18_se - All characters: https://www.betterreads.dev/discover/the_patient_in_room_18_se/characters