Nergis hasn’t seen her mother for a long time. One day, she receives a call from the hospital and learns that her mother has passed away. She goes to the hospital to collect her mother’s belongings and finds a letter addressed to her along with an old photograph. In the photo, she discovers a sister she never knew existed. Without wasting time, Nergis travels to Büyükada, where she learns that her mother used to work as a teacher at a Greek orphanage and that her brother disappeared when he was 10 years old. She decides to investigate this mysterious event, but during her stay on the island, she begins to experience terrifying occurrences. Nergis encounters the spirits of children who lived in the orphanage at that time and realizes that the island is surrounded by dark entities. When Nergis decides to escape from the island, she realizes that it is already too late.