The 7 Nightmares Girl

Amanda, a young actress, is lured to a casting. The supposed producer, Annika, turns out to be a dangerous psychopath who kidnaps Amanda. Instead of demanding a ransom, she forces Angela's parents and sister Angela to cruelly murder young, beautiful women in order to save Amanda's life. Angela finds out that her sister is a member of a secret coven of witches. The witches have made a pact with the devil that guarantees them youth, beauty and wealth and the witches are trying to influence politics and the economy worldwide through a network of secret societies.

Selected season 1, episode 1.