In the dark, foggy streets of London, Gabriel Utterson tries to understand the secret of his friend Dr. Henry Jekyll. Why is he behaving so strangely? What is he doing in his laboratory? Why does he know the horrible Edward Hyde, a man who walks the streets of the city only at night? As he looks for the answers to these questions, Utterson finds himself in the middle of a terrible horror story.


在一個月夜風高多霧的倫敦街上，Gabriel Utterson試圖了解他朋友Henry Jekyll博士的秘密，為何他的行為會如此怪異？他又在他的實驗室裡做甚麼呢？為何他會認識Edward Hyde，一個僅會在夜晚的街上出沒的男人呢？當他在尋找這些問題的解答時，Utterson意識到他身陷於一個可怕恐怖的故事之中。