A doctor takes in a mysterious man who washes ashore at her remote cottage with a gunshot wound. Quickly they both learn the killer has arrived to finish the job, while a storm has cut them off from the mainland.
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.
Gabi's search for her missing pregnant stepsister takes a chilling turn when her sister's body is found, and the baby is gone. Determined to find the child and get justice, Gabi risks everything to unravel the truth behind the tragedy.