A British taskforce, lead by the daughter of the vampire hunter Prof. Van Helsing, battles the supernatural with the aid of two vampires.
Vampires exist. It is the duty of Hellsing, an organization sponsored by the British government, to hide that frightening fact and protect the blissfully unaware populace. Along with its own personal army, Hellsing also has a few secret weapons. Alucard, an incredibly powerful vampire, has been controlled by Hellsing for years. Although he dislikes being a servant to the Hellsing family, he certainly enjoys his job as Hellsing’s vampire exterminator. Seras is a fledgling vampire and a former police woman. Although reluctant to embrace her new self, she is still a valuable member of the organization. Integra Hellsing, the current leader, is usually fully capable of fulfilling her duty, but lately, vampire activity has been on the rise. Unfortunately, the cause is more alarming than anything she could have imagined...

เมื่อศัตรูผู้ฆ่าไม่ตายเข้าล้อมอังกฤษ องค์กรเฮลล์ซิงกับแวมไพร์แปรพักตร์จึงต้องกำจัดผู้คุกคามก่อนทุกอย่างจะบานปลายเกินควบคุม