Deep beneath the Carpathian Mountains, Site-7 has contained humanity's greatest mistake for decades.

Subject V-01 is a biologically engineered female vampire created through classified experimentation. Possessing immense strength, supernatural speed, extreme regenerative abilities, and an insatiable hunger for blood, she has spent years confined within the facility after countless failed attempts to control or destroy her.

Following a catastrophic containment breach in 1998, V-01 escapes into the facility. Security teams are wiped out, emergency systems fail, and Site-7 descends into chaos as personnel desperately attempt to survive.

You play as Eric, a maintenance technician trapped underground during the disaster. While V-01 ruthlessly hunts and kills everyone in her path, she repeatedly spares Eric for reasons unknown. Whether this anomaly is a malfunction in her predatory instincts, a forgotten fragment of humanity, or something else entirely remains a mystery.

Survive the collapse of Site-7, uncover the truth behind V-01, and find a way out before the mountain becomes your tomb.