Henry is an introverted architect. After the death of his wife in a car accident, he sets out to help Millie, a homeless teen, to build a raft to sail across the Atlantic.
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.