Nobody's Mothers is a reflexion on the world of homeless women from the moment they decided to leave the shelter of a roof to street life. What are the reasons to this decision and what kind of life is like when you decide to leave the Society? Shotting during one year at Barcelona's streets, the film focuses his argument on the difficulties of two women (Merçé and Rachel) in search of a roof to live.The documentary is not an external look at the phenomenon of homelessness, a report or information about the social networks that are in their hands, but a series of stories told by their protagonists as showing how fragile is the border between integrated into society and those who are not.