A culture centered on relationships and communication is necessary to improve the quality of life of older adults living in nursing homes. To examine the effects of a storytelling program by examining the cognitive, emotional, and psychosocial changes in older adults in facilities and explore staff experience of changes in care. This mixed method study delivered a 6-week storytelling program based on relationship-centered care for residents of nursing homes (aged >65 years). Changes in emotional expression, depression, communication skills, social support, interpersonal relationships, nurse-patient interaction, and the person-centered environment as perceived by older adults were quantitatively analyzed using pre-intervention and post-intervention surveys. Qualitative data were collected through weekly stories created by residents, followed by focus group interviews with nursing home staff, analyzed using reflexive thematic analysis to enhance understanding of the program's outcomes. The 42 residents reported significant changes in their emotional expression, depression, communication skills, social support, interpersonal relationships, nurse-patient interaction, and person-centered environment scores after the 6-week intervention. Analysis of the residents' stories identified 5 themes. The staff focus group interviews identified 2 themes and 7 subthemes. Intervention group residents were more likely to initiate conversations, express themselves, carefully observe themselves and others, and actively participate in social activities. The storytelling program was useful in reducing older adults' negative emotions by allowing them to express their thoughts and feelings and improve their relationships, creating opportunities for social interaction. These effects could help foster relationship- and communication-centered facility cultures.