5 years after the events of Godzilla: Nautilus, now known as G-Day, Godzilla has had a lasting impact on survivors. He had seemingly not been seen since then. That is until Eco-terrorists release the three-headed extraterrestrial Dragon, King Ghidorah. This makes Godzilla finally return, this time to join forces with old allies Anguirus and the reborn Mothra to combat the threat as he initiates a Mass Awakening of Kaiju.