"The Light of Day" is a 1960 film directed by Michael Powell and based on the novel by J.B. Priestley. The story revolves around a man who experiences a transformative day that challenges his perceptions of life and relationships. The film explores themes of self-discovery and the impact of choices on one's future. It features a blend of drama and introspection, showcasing the protagonist's journey as he navigates through various encounters that lead to personal revelations. The cinematography and storytelling style reflect the artistic vision of Powell, making it a notable work in British cinema.