It's taken two hundred years but this cop's past is about to catch up with him

Synopsis #1:
Four dead bodies.  All drained of blood.  Terror holds the city hostage, as a series of bizarre murders bafles the police.  but for one homicide detective, the case is all too familiar.  Meet NICK KNIGHT (Rick Springfield), a man of extraordinary power who is consumed by a personal struggle between the forces of good and evil which rage within him.  Throughout the centuries.  Nick has burned with an overwhelming desire to become whole and human again - to escape his dark side...THE VAMPIRE.  An action-packed story of lust, revenge, betrayal and murder.  (from the back cover of the VHS movie.)

Synopsis #2:
Rick Springfield stars a Nick Knight, a Los Angeles homicide detective with a solo nightshift, a '59 Cadillac and one very chilling secret: He is a vampire hundreds of years old, tormented by his addictions and searching for a way to regain his mortality.  But when a string of gruesome murders leaves a trail of blood-drained bodies, Nick's investigation teams him with a push new partner (John Kapelos) and a beautiful archaeologist while leading him to his immortal nemesis Lacroix (Michael Nader of Dynasty) and an all-too-human killer with a boodlust of his own.  Laura Johnson (Falcon Crest) co-stars in this atmospheric and action-packed movie that would emerge from a world of darkness to become the inspiration for the cult sci-fi series Forever Knight. (from the back cover of the DVD)