A KAIJU (Monster), which terrorised humans to unprecedented levels, suddenly died one day. While the people rejoice and bask in relief, the giant corpse left behind begins to slowly rot and bloat. If it explodes, the nation will be destroyed... The countdown to the end has begun. In a desperate race against time, the man assigned to handle the corpse with the fate of the nation at stake is neither a police officer nor a soldier, but a man with a past who disappeared 3 years ago... What is the mission entrusted to him? Will he be able to stop the explosion...?! A fantastical special effects entertainment about a man‘s “top secret mission“ in the face of an unprecedented emergency begins to unfold.