For long has the humanity been constrained by limits of human body. Most have accepted the imperfection of flesh, but some sought for liberation. To pursue the dream of creating a post-human being – to achieve ideas of transhumanism – is the driving force behind H+ Corporation. Within its facilities technology and homo sapiens became one entity. An organism devoid of humanity’s biological weaknesses. The dream shatters to a nightmare when you realize what has become of Purity-02. Once a research vessel, it has turned into a deadly, deserted trap. To flee Purity-02 you have to investigate the mysteries of the ship. With every passing minute the chances of survival grow slim. Infected with a parasite emitting deadly toxins, you struggle against havoc being wrought within your body. But there is yet a greater danger to evade.