The film is based on the best-selling suspense novel "The Long Corridor" by Keigo Higashino. There are countless secrets hidden in the cloister pavilion mansion. After the rich merchant died of illness, a fire murder case that occurred a year ago was revealed, involving the first heir of the estate, that is, the illegitimate son of the deceased, making the distribution of the estate complicated.

Based on the most well-known classical fantasy novel of China, Fengshenyanyi, the trilogy is a magnificent eastern high fantasy epic that recreates the prolonged mythical wars between humans, immortals and monsters, which happened more than three thousand years ago.

In the twenty-second year of the Kangxi Emperor's reign (1683 A.D.), in an attempt to stop Zheng's blatant attempts at independence in Taiwan, the Kangxi Emperor sent Shi Lang, the governor of the Fujian Naval Division, to lead an army to collect Taiwan. An advance team from the imperial court paid a terrible price to lure Zheng's navy into a trap. Shi Lang led a large naval force to attack Penghu in a surprise attack, wiping out the main force of Zheng's army and eventually unifying Taiwan.

The story tells the story of Liu Quan Long, a lowly born and independent struggling young man who got the opportunity to exchange his life with a boy from another class in a famous university. Unexpectedly, what was waiting for him was a thrilling game. Liu Quan Long is an impoverished young man who can't afford to go to university but has a great talent. Before meeting Chen Lun, he was an Internet cafe administrator outside the university who would never be noticed. Chen Lun has a distinguished family and studied at an elite university just across the street from an internet cafe, but he had no intention of going to school. In order to cope with his parents abroad, he offered Liu Quan Long an invitation to the game of "identity exchange" and asked Liu Quan Long to replace him.