On her birthday, Joana's joy turns to despair when her abusive husband discovers her pregnancy and attempts to harm her. Fleeing the city, she finds refuge on a boat with criminals, but realizing the danger, she sees land beyond so leaps into the water and swims to Terceira Island, leaving her life behind. Exhausted on the shore, she encounters Chico, a lost child, during a religious ceremony. Joana arrives with the child, inadvertently becoming mistaken for a saint 'Our Lady of the Sea', revered by the island's faithful.
In 1974, after years of civil war, the Portuguese and their descendants fled the colony of Angola where groups working for independence gradually claim their territory back. A tribal girl discovers love and death when her path crosses that of a young Portuguese soldier. Meanwhile, another group of Portuguese soldiers is barracked inside an infinite wall from which they will have to escape once the past comes out of the grave to claim its long-awaited justice.
A pagan tradition in a village in the countryside of Portugal leaves painful traces in a group of young teenagers. 25 years later, when they meet again, the past resurfaces and tragedy sets in.
After the murder of a local student, a small town judge faces an unexpected dilemma: now her actions can put her family at risk.