Widow and single mother, Rebecca Noland, wants nothing more than to rekindle the passion with her overworked fiancé, Detective Dan Slaviche. Expecting to surprise him by slipping into his apartment before he comes home from work, her curiosity gets the best of her when she discovers the key to unlock his desktop.
What she finds there is a nightmare that sends her, along with her seven-year-old son, running for their lives. Terrified and broke, her only option is to flee to her family's estate in Tremble, Tennessee where memories of her mother's violent death still haunt her childhood home.
But, bad memories aren't the only thing that await her. As Dan abandons all morals in his attempt to locate his bride-to-be, Rebecca struggles to make the house a home for her son while growing closer to her next door neighbors.
Her sanity comes into question when she realizes the entity responsible for her mother's murder is lying in wait, intent on destroying anyone who tries to come between it and the object of its deadly obsession. her.