“One Day” is a romantic drama film released in 2011, directed by Lone Scherfig. The story follows the lives of Emma Morley and Dexter Mayhew, who meet on July 15, 1988, and develop a deep friendship that spans two decades. Each year, the film revisits their lives on the same date, showcasing their personal growth and evolving relationship. The film is based on the novel of the same name by David Nicholls, who also wrote the screenplay. It explores themes of love, friendship, and the passage of time, highlighting how life can change in unexpected ways.