After a thousand days of civil war in Colombia in 1902, the revolutionary soldier Alfredo Duarte Amado receives a telegram with the news of the pregnancy of his brother Rodrigo's wife. Without knowing where to go, he convinces an amateur photographer in the bowels of the Chicamocha canyon to go with him searching for his brother lost in the war, but the photographer is also looking for someone – the man who killed his father.

Rogelio Pataquiva, the handyman at the Clinica Verde, faces a tough decision that will test both his dreams and his heart. Torn between his longing to see the sea and the chance to support the “super-baldies,” a group of children with cancer who inspire him with their courage, Rogelio becomes part of an unexpected crime.

An elite military unit ventures into the South American tropical jungle on a mission to eliminate an enemy target. What begins as a tactical operation quickly turns into a nightmare when they encounter supernatural forces emerging from the depths of the jungle. Five hundred years earlier, a Spanish conquistador expedition was consumed by the same relentless force. Separated by centuries but connected by the same hostile territory, both incursions discover something hidden in the jungle: an ancient presence that cannot be controlled.