Some family secrets are better left buried. Siblings Charlie and Kaycie O'Conner are reluctantly reunited after heartbreak - and something far more sinister... What begins as a disturbing string of coincidences soon unravel into a blood-stained thread connecting them to their family's darkest secrets. Beneath the mysterious death of their mother, lies a hidden world. A centuries-old cult obsessed with conquering death, and willing to sacrifice anything to achieve it. As the O'Conners dig deeper, they unearth something that was never meant to be found... and mark themselves as prey.