Heidi (Kylene Wetherell) has agoraphobia and can't leave the house, forcing her resentful younger sister, Nancy (Erin Arbogast), to take care of her. Their relationship becomes strained and Nancy appears near her breaking point with Heidi. Only professional help can cure her, but that is easier said then done. Then one fateful summer day their friend Terry (Alan Winston), seeing that the sister's holidays weren't all that great, surprises them with freshly cut pine tree and ...moreplans to celebrate "Christmas in July". What they don't know that something is asleep in the Christmas tree… Something vicious and evil... a creature who knows no mercy, only death. Trapped in a psychological prison of fear, can Heidi overcome her phobia or will they all succumb to a painful fate at the hands of the beast? ...hide