Elodie and Laetitia live in close love and dream of having a child. As Elodie discovers that she cannot get pregnant because of a health problem and encounters financial troubles, they decide to take a roommate.
The lives of six girls belong to different worlds although connected to each other through a doll called Molly, whose existence dates back to 1976, when she appeared among the rubble of the great fire of the San Carlos orphanage, in northern Spain.