"La petite fille de la mer" is a song from the 1992 French film "La Fille inconnue" (The Unknown Girl), directed by the Dardenne brothers. The song plays a significant role in the film, complementing its themes of loss and searching for identity. The movie tells the story of a young doctor who becomes obsessed with uncovering the identity of a mysterious girl who died after she was turned away from her clinic. The film explores themes of responsibility, guilt, and the human connection.

"La Fille inconnue" (The Unknown Girl) is a 2016 Belgian drama directed by the Dardenne brothers. The film follows a young doctor, Jenny, who feels guilty after refusing to open her practice door to a woman who later turns up dead. Haunted by her decision, Jenny embarks on a quest to uncover the woman's identity and find out what happened to her. As she investigates, the film explores themes of responsibility, guilt, and the moral dilemmas of modern life, ultimately highlighting the importance of human connection and compassion.