Miriam Blaylock is the last of a race of vampires who has lived for thousands of years, feeding off the blood of unsuspecting victims. To quell her loneliness she promises her lovers everlasting life by injecting them with her extraordinary blood. What she doesn't tell them is that they won't live forever, and will eventually start to age rapidly, suffering a painful eternal undead state. When her current lover, John, begins to show signs of ageing, Miriam seeks the help of a Scientist (Sarah) who believes she has discovered the secret of eternal youth. As John rapidly falls into a state of eternal undeath, Miriam seduces Sarah and infects her with her own blood.