Liu Kang fought and defeated the powerful sorcerer Shang Tsung and his victory would preserve the peace on Earth for one more generation. The Earth realm warriors live a short period of peace when evil forces from Outworld come to invade and wreak havoc on Earth. They are guided by the forces of leader Shao Kahn. Liu Kang and the rest of his team must defeat Shao Kahn in six days before the Earth realm merges with the Outworld.