Due to a severe drought the village of Campomediano emerges from the waters at the bottom of the reservoir of the same name. The human remains of two men appear in one of the village’s old houses. Police inspector Daniela Yanes is in charge of the case along with chief inspector Ortiz. A bullet hole in both victims, makes this a crime that remained hidden for many years. In one of his articles, journalist Óscar Santos, insinuates that these two bodies are linked to the 1990s people’s movement that opposed the construction of the dam. Luis Barbosa, chairman of the Barbosa Group Company that owns the reservoir, sees this investigation as a threat and decides to use all levels of power to prevent it from coming to fruition. At the same time, his daughter Paula Barbosa decides to make the most of her father’s weakness, immersed in a struggle for the control of their company, to take over the chairmanship. In Lisbon, after the appearance of the corpses, Portuguese police inspector Hélder Gomes, receives an ominous assignment to take part in the investigation, although his goal will be very different from what everyone thinks. The Sequía has uncovered many secrets that had remained hidden deep below the waters. One critic wrote that this was the best thriller of 2022.