Three wealthy children's parents are killed in a fire. When they are sent to a distant relative, they find out that he is plotting to kill them and seize their fortune.

After she delivers her child in an ambulance, alien Eve is killed by a half-breed. Fortunately, Dr. Abbot scoops up the baby alien and escapes. In time, the baby grows into a gorgeous blonde named Sara and begins her quest to find a worthy mate. But Sara is also savage and leaves a trail of deaths in her wake. This carnage makes chemistry student Dean question whether to help her race or not.