"The Light Between Oceans" is a 2016 film directed by Derek Cianfrance, based on the novel by M.L. Stedman. The story follows a lighthouse keeper, Tom Sherbourne, and his wife, Isabel, who live on a remote island off the coast of Australia after World War I. They discover a baby girl in a boat that washes ashore and decide to raise her as their own, leading to moral dilemmas and emotional turmoil. As the couple navigates their decision, they learn that the child's biological mother, Hannah, is still alive and grieving her loss. The film explores themes of love, sacrifice, and the consequences of choices, ultimately questioning the boundaries of right and wrong in the pursuit of happiness.