Blood

Jess, a separated mother and nurse, moves with her daughter and young son Owen back into her old farmhouse. Shortly after settling in, Owen is bitten by the dog, resulting in a mysterious infection from the bite.
Jess, a newly separated mother and nurse, moves into her old family farmhouse with Tyler, her teenage daughter, and Owen, her eight-year-old son. One night, the family dog senses something in the woods and runs off to find it. He returns a couple of days later and attacks Owen, savagely biting him before Jess is able to intervene. Owen is rushed to the hospital. His condition worsens, and no one can figure out why... until Jess discovers a disturbing cure...