The investigation into the death of a Minneapolis Internal Affairs cop is supposed to be a formality, but when Sam Kovac begins to look into the details of his death, he uncovers a secret life that may have threatened the cop's life.

When a twelve-year-old boy goes missing, lead investigator Greg Harper struggles to balance the pressure of the investigation and troubles with his wife, Jackie. Facing a recent affair, a great stra]in is put on the family and slowly gnaws away at Jackie's grip on reality. But after a malicious presence manifests itself in their home and puts their son, Connor, in mortal danger, the cold, hard truth about evil in the Harper household is finally uncovered....

When Michael returns home from military school, he discovers that his mother has a new live-in boyfriend, David. Though he appears to fit in well with the family, Michael has a bad feeling about him. As the two men get to know each other, Michael's suspicions rise to the surface and he starts to delve into David's past. Along with his girlfriend Kelly, his biological father Jay, and his mother's friends, they slowly start to piece together the mystery...