In 1979, a grieving couple, Anne (Barbara Crampton) and Paul Sacchetti (Andrew Sensenig), decides to relocate to a serene abode in rural New England after the devastating loss of their son, Bobby, in a car accident. The move is intended as a form of therapy for Anne, who has plunged into deep despair following the tragedy. However, upon their arrival, Anne begins to insist that Bobby is still present in their new home. Their enigmatic neighbor, Cat McCabe (Connie Neer), urges them to abandon the house, hinting at its dark past.
The residence, a former funeral home constructed in the 1800s by the Dagmar family, holds a sinister reputation; the family was allegedly expelled from the village after locals uncovered their malevolent scheme of selling corpses and interring empty coffins. Despite the ominous warnings, Anne invites her friends, May (Lisa Marie) and Jacob Lewis (Larry Fessenden), both spiritualists, in hopes that they could aid in connecting with Bobby and unraveling the strange events that have begun to unfold within the house.
Shortly after the Lewises arrive, they decide to dine out. At this time, their son Harry (Michael Patrick) makes an unexpected entrance with his girlfriend, Daniella (Kelsea Dakota). Tragedy strikes when Harry is violently slain by a malevolent apparition on the basement stairs, leaving Daniella in shock as she witnesses the horrific event. In a panic, she escapes the house only to meet her own demise a short distance away.
As the evening progresses, tension escalates when Cat's husband, Dave (Monte Markham), arrives at the restaurant, committing murder before discussing the haunted Dagmar home with the bartender. It is revealed that the house must consume fresh souls every 30 years; if it fails to do so, the underlying evil threatens to unleash destruction upon the town.
Encouraged by the unfolding chaos, Jacob persuades a hesitant Paul to participate in a séance. This spiritual encounter leads to Jacob becoming possessed by the vengeful spirit of Lassander Dagmar (Guy Gane III), who reveals the horrifying truth: the Dagmars were not banished but instead met a sacrificial end at the hands of the villagers to appease the malevolence lurking beneath their home. In a fit of rage, Jacob, under possession, takes his own life. As May attempts to flee, she is intercepted and killed by Dave, who has rallied the townsmen with the intention of appeasing the dark force that demands sacrifice.
Amidst the turmoil, the Sacchettis hear their son Bobby’s voice compelling them to flee. They make a desperate dash upstairs as the townsmen begin to storm the house. The spirits of the Dagmar family are unleashed, enacting savage vengeance upon the intruding townspeople. The bloodshed continues until only Dave, Paul, and Anne remain.
As Dave attempts to fulfill his deadly intent, he is thwarted by Lassander's spirit, which brings about his demise. In the aftermath of the chaos and carnage, Paul and Anne are left to contemplate the mess around them. With the Dagmar spirits feeling a sense of closure, they depart the premises. Yet, Anne, still under the belief that her son lingers within the house's walls, is drawn into the cellar. Paul, trailing her, peers into the shadowy depths, manages a slight smile, and utters the poignant words, > "Hey Bobby."
