After awakening from a lengthy slumber, vampire Caleb Croft (Michael Pataki) rapes a woman (Kitty Vallacher), who then bears a son she feeds blood. When the child grows up, he searches for his father in an effort to avenge the horrific condition he's inherited. John Hayes directs while William Smith stars as the grown son in this British spine-chiller. Lyn Peters, Diane Holden and Eric Mason co-star.