The attack by a strange creature the day before Nastya’s birthday ended in tragedy and separation—she went to her parents in Singapore. A year later, her friend Dasha comes to see her for her birthday. Dasha is still afraid to look around and doesn’t trust anyone. After the trauma and the stress she’s been through, she has to write down everything that happens in a diary. On the plane, the girl meets an intrusive stranger—who turns out to be Nastya’s brother. Perhaps the brother and sister share a secret, and they carefully hide it?