Elsword has always wanted to know where his sister disappeared off to and why she had left him. During his first encounter with her she shook him off coldly, and their second encounter was the last he could ever see her. He is left with many unanswered question and is left alone in confusion. That is until a mysterious girl hands him over a red journal, claiming it belongs to his deceased sister. Entrusted with the strange journal Elsword will soon learn the pain and suffering his sister has endured. He will soon look at his sister in a whole new perspective.