All The 7s

Night-time. Sleep. The dreams come. And then the nightmare begins.
With an outwardly normal life, she manages to hold it together and keeps it close to her chest that prophetic dreams and visits from a dark entity plague her nights.
But the visits start to increase, beginning to morph into her waking life. The messages to her subconscious take an ominous turn so, with a sense of increasing urgency, she sets about finally solving the lifelong mystery.
Unfortunately, the visitor doesn't want to leave quietly.