The close-knit community of Brackenmore is harboring a secret. After the untimely death of an uncle she never knew she had, Kate (Sophie Hopkins) is forced to return to her ancestral home, a tiny rural village in the South of Ireland. Soon after her arrival she meets Tom (D.J. McGrath), a mysterious young local who helps her to rediscover her long-neglected roots and forget about the anxieties of her life in London. The longer Kate stays in Brackenmore, the more she begins to realize that the eccentricities of its self-protective residents, may be more ominous than she first thought and the secluded family estate is harboring a dark and ancient secret. From the opening scenes of a fateful car crash to the shocking ending Brackenmore weaves its ways under your skin shifting between classic horror to the mysteries of the occult. Cinematographer Justin McCarthy keeps a steady hand as he captures the silent fear that begins to grow as Hopkins uncovers the dark horror that is Brackenmore.

While Sandra opens up to a documentary film crew, flashbacks show her teenage son, Stephen, mysteriously kidnapping a toddler, and holding him captive. Eventually, the stories intersect to explain the abduction and the family's three-generation legacy of abuse in this mesmerizing psychological drama.