Ashitaka is a decendant of a Royal family of the people who had been defeated by the Yamato's goverment and had been living in a hidden mountain village. He was put under a curse of death by "Tatari God". He started a journey to solve the mystery of the curse and were dragged into a heroic battle between the raging Gods and humans.
The boy and the girl met in the middle of this tragedy and exchanged their feelings. The fighting over the mountain became gruesome and mass killing started.
The Raging Gods became mere wild animals. Princess Mononoke tried to calm the God who became the Tatari God, but she was swallowed by the Tatari. Ashitaka tries to rescue her, risking his own life in the end........