Daylight Developing is a filmed family diary in the form of a personal cinema. This work covers a family history and discusses changes in the light of family in the economic globalization, including the constantly moving family, the absence of family members, the room for women in separated families, as well as representations the concept of home; ultimately what is the meaning of home? In the film, the use of light as a symbol highlights the sanctity of the family and the beginning of life and the use of changes in lighting in the home movie remind of the warm atmosphere in l’espace heureux and therefore leads us to imagine the deepening relationships between the members of this family.