This annotated bibliography examines the crucial role of therapeutic relationships in mental health settings, focusing on their impact on patient outcomes. The paper begins with an introduction highlighting the significance of the nurse-client relationship and its influence on patient perceptions. A comprehensive literature search strategy is outlined, detailing the databases, keywords, and inclusion/exclusion criteria used to select relevant research papers. Three key research papers are then critically analyzed, exploring their research aims, methodologies, ethical considerations, findings, and generalizability. The first paper, by Morck (2016), investigates the emotional dynamics within therapeutic relationships. The second, by Fonagy & Allison (2014), examines the role of epistemic trust and mentalizing. The third paper, by Becker (2015), explores professional boundaries in mental health nursing. The findings across the three papers underscore the importance of empathy, trust, and clear boundaries in fostering effective therapeutic relationships. All three papers emphasize the significance of the nurse-client relationship as the foundation of mental health treatment. The report concludes by summarizing the key findings and their implications for nursing practice, emphasizing the importance of these relationships for positive patient outcomes. This annotated bibliography is a valuable resource for students studying mental health nursing.