My Cousin The Antichrist (Damien: Omen II)

In November 1976, in Chicago, Illinois, Richard Thorn and his wife, Ann Thorn, adopted a six month old infant from a foster care. The infant was a girl, and the Thorns named her Becky. Six years after Becky's adoption, the adopted child's cousin finds out she is the Antichrist. During her first grade years of Davidson Military Academy, Becky wants to become best friends with Teddy's little sister, Holly, protect her adoptive brother, Mark, from Teddy and have fun during playtime while Damien wants to guard her as he is revealed to represent a demonic being known as "The Demon Of Slaughter".