In "The Blackcoat's Daughter," the term "Blackcoat's daughter" refers to the character Kat, who becomes the focal point of the film's exploration of isolation, fear, and the supernatural. The story unfolds at a Catholic boarding school during winter, where Kat, left behind by her parents, grapples with loneliness and a growing darkness within her. The title symbolizes the connection to dark forces and the impending horror that unfolds as she becomes intertwined with themes of possession and sacrifice, ultimately revealing the depths of her troubled psyche.

"The Blackcoat's Daughter," directed by Oz Perkins, is a psychological horror film that creates tension through atmosphere rather than jump scares. It explores themes of isolation and evil, with a slow-building narrative that can be unsettling. The film features eerie performances, particularly from Kiernan Shipka and Emma Roberts, which contribute to its haunting tone. While it may not be traditionally "scary" for everyone, its suspenseful storytelling and dark themes can evoke a sense of dread and discomfort, making it effective for fans of psychological horror.

Yes, in "The Blackcoat's Daughter," the character known as "Blackcoat's Daughter," or Kat, is connected to the entity referred to as Longlegs. The film reveals that Longlegs is a demonic presence that influences the events surrounding Kat and her fellow students at the boarding school. The narrative intertwines their fates, as Longlegs seeks to inhabit Kat, who is marked by her traumatic past. The connection emphasizes themes of possession and the struggle between good and evil within the characters.

As of October 2023, "The Blackcoat's Daughter" is not available on Netflix. The film, directed by Oz Perkins and released in 2015, can be found on other platforms such as Amazon Prime Video, Hulu, or for rental on services like Google Play and Apple iTunes. Availability may vary by region, so it's best to check your local streaming services for the most accurate information.