A sinking boat is born in the last years of life, and its destiny is like duckweed. One night, he found an unsigned ancient letter in the pile of old papers. The letter said: "This piece of paper is given to the future owner. If he can solve my mystery, he can reverse the fate of destiny." From then on, Shen Zhou embarked on the road of deciphering the letter, but found that the letter contained a incomplete chapter of the world's great road. Every time a word is solved, Shen Zhou's fate will change, and good fortune and misfortune are unpredictable. His obsession is not to ascend to immortality, but to find the mystery behind the letters - who is waiting for him at the end of his destiny, and why did he predict his rise and fall?
The world of cultivating immortals is suddenly turbulent, and Shen Zhou is involved in the game between the immortal sect, the demonic realm, and the mortal world. The clues in the letter lead him deeper and deeper. He needs to prove himself in the chess game. He is both the answerer of fate and the one who creates the game. The highlight of the story lies in the intertwining of letters and reality. Every time she interprets a letter, Shen Zhou must complete the chapters in the letter with his own experience. Destiny, heaven and earth, past and future are all overturned by a piece of letter. Can Shen Zhou unlock the ultimate mystery in the letter and rewrite his own fate and that of all living beings? Everything unfolds slowly in this fate-changing letter.