Commissioned to map the Far East territories of the Russian Empire, cartographer Jonathan Green sets off on a long journey of unbelievable adventures—making breath-taking discoveries and meeting mysterious creatures, Chinese princesses, deadly masters of oriental martial arts, and even the King of Dragons.

Pu Songling, a legendary demon hunter, is asked to investigate the mysterious disappearances of young girls from a small village. When he discovers evil forces are kidnapping the girls to feast on their souls, he sets out to save humanity from the inhuman invasion journeying through hidden worlds and colorful dimensions.

Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.