Li An encountered a fog during her business trip. As the fog appeared, she encountered many mythical beasts that she had only heard about in ancient books. Li An met Jiang Ran when he was panicking. He didn't expect that Jiang Ran's fate was inextricably linked to these mythical beasts. The two of them constantly encountered various strange stories in the mountains and caves. At the end of the story, can the two of them return to their peaceful life as they hoped?