Blue Inferior is the story of Marine, a young girl who washes up on shore with no memories at all. Taken in by an isolated village, Marine is cared for until rumors spread that she's actually a sub-human. On this post-apocalyptic world, that could be her death warrant! But Marine is rescued by her friend Kazuya, who promises to help her find her way home. They escape by sea, where more dangers await - even while the mad Doctor plots his revenge on these two renegades!