After the tragic death of his wife, Jon immediately starts an affair with the enigmatic Red. The closer he gets to her, the more is his life dominated by an ominous digital signal - the stutter.
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.
