Emma Morley is a fictional character from the novel "One Day," written by David Nicholls. She is introduced as a bright and ambitious young woman who graduates from the University of Edinburgh in 1995. Emma is known for her strong personality, wit, and desire to make a difference in the world, often dreaming of becoming a writer. Throughout the story, Emma's relationship with her friend Dexter Mayhew evolves over the years, highlighting themes of love, friendship, and the passage of time. The narrative follows their lives on the same date each year, showcasing their personal growth and the impact of their choices.