Monster 2: Prehistoric Alien Species

Li Jian is a cave exploration expert. Due to a drunk driving accident that year, his son Xiaoyu was left with a lifelong disability on his left foot. His wife Liu Yun could not forgive Li Jian and filed for divorce, and Li Jian had long-term deep guilt and self-blame. In order to fulfill Xiaoyu's birthday wish to reunite with his father, Liu Yun took Xiaoyu to where Li Jian worked. A sudden whirlpool in the lake sucked Li Jian's family into a mysterious cave deep in the earth. Deep in the center of the earth, there are dangers everywhere, including bloodthirsty humanoid monsters and dangerous alien behemoths. In order to protect his wife and children from escaping, Li Jian embarked on the most difficult and dangerous adventure in the center of the earth in his life.