Eylül has everything she wants in life. Beautiful, cheerful, funny. Until one day something happened to her and she forgot the last month of her life. While her family and friends keep saying that everything is fine, Eylul begins to realize that something is wrong. And after a month he doesn't remember, he goes to Bozcaada. There, a ragged, strange man he had never seen before calls out to him: "September. Don't you remember me? You fell in love with me here on this island.”