On the eve of the annual Running Man competition, the players race against one another through a series of challenges to obtain the 'Super Belt,' a legendary item which make its wearer absolute ruler of the world.
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.