Longtime friends Erika and Akino savor a quiet summer afternoon until a sudden shift pulls them into an unknown dimension. There, stern soldiers confront the pair, branding them as allies of a rival power and subjecting them to harsh interrogations. Cut off from any familiar surroundings, the women must weigh their limited options while searching for a way to survive and perhaps find an exit. Their close bond becomes their only steady point in the disorienting ordeal.