Bloodline is the story of Travis and Henry, two brothers with a sad and violent past. After a camping trip ends in grisly murder, they find themselves in a complex web of rage and revenge. A downward spiral of paranoia begins to take hold as Travis is caught between fantasy and reality.

The Daywalker known as "Blade" - a half-vampire, half-mortal man - becomes the protector of humanity against an underground army of vampires.