Legend has it that there is an entrance to hell hidden in the vast forests of Daxing'an Mountains. The Ewenki people call it the extremely cold Yinquan, the Donghu people call it the Jiyuan, and the tomb robbers call it the Xing'an Mountains Eye. This unknown area is not only the limit of human beings, It is also a forbidden place in the Pirate Gate. According to legend, there is an endless sea in the eyes of the earth. At the end of the sea, there are hidden treasures that can rival the country, but for thousands of years, no one can come out alive. The last generation of the Pirate Gate, a The flirtatious little ruffian embarked on a desperate journey to death with a mysterious map left by the Russian army and a secret book passed down from generation to generation in the family...