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What is a father capable of doing to save his son, who is being consumed by a ghost that has taken up residence in his dreams?

Obviously, there is no child in the world who does not have terrible dreams. But what if the horror of the dream gradually creeps into real life? Two-year-old Theo's heart suddenly stopped during a simple operation. For thirty-six seconds, the boy was on the verge of death and life. And then he came back. Two years passed before Myron Belinsky realised that his son had not returned alone. Something had come with Theo: it had clung to him and slipped into his consciousness while he was on the other side of the line that most of us cross only once.

In a desperate attempt to save his son, Myron travels to America, where the latest advances in neurotechnology allow him to look into human sleep. He does not realise that his desire to help leads to disaster, because the worst will begin as soon as the one who has settled in little Theo's dreams realises that he is being watched.