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Secrets never end…

Poland, 1953. Two months have passed since the holiday that turned thirteen-year-old Nina's life upside down. The magic of the angels in the abandoned monastery in Markoty has given her extraordinary intelligence and strength, but she has never learned to control them. Nina tries to hide her abilities because she knows that at any moment THEY may come for her - people in uniforms who hunt angels and everyone involved with them... So when Lieutenant Fox and Sergeant Owl arrive at the school, the girl is not surprised. The soldiers take her to the Totenwald Institute, where children who have come into contact with angels are gathered. At Totenwald, Nina meets her friends from Markoty. And this time they will have to counteract not only the magic of the angels, which has enchanted the surrounding forest, but also the men in uniform who make the children work hard and conduct strange experiments on them.