Four years after her father's death, Yu Momo learned about Sanshui Stream by chance. At first, she looked for clues about Sanshui Stream out of curiosity, but she did not want to lead to one disaster after another, and also brought many mysteries. She suddenly fell into layers of fog. She discovered that her father's death was actually related to Sanshui Stream. In order to find out the story of Sanshui Stream, she embarked on an adventure journey of uncertain life and death. What will be the outcome? Is Sanshui Gorge the legendary paradise or hell? The story begins here.