In the working-class suburbs of Bilbao in the 1980s, a children's rhythmic gymnastics team is preparing to take part in a championship to be held in Berlin. As mothers are unable to accompany their daughters, the task falls to the fathers.
A grieving widow is invited to her late husband's family estate, but when she is forced to stay until she gives birth, she must confront whether her child is cursed or if she is losing her mind.