A twisted tale of two estranged sisters whose reunion is cut short by the rise of flesh-possessing demons, thrusting them into a primal battle for survival as they face the most nightmarish version of family imaginable.

In the midst of a new scheme to publicly report surgeons' performance, a gifted surgeon's life is thrown into disarray as her colleagues begin to close ranks, and even her partner who is a nurse at the hospital turns her back on her.