It's 1989 and for Megan and her younger brother Mark, things couldn't be better. After being separated for twelve years they have been reunited in a loving home. At 20 and eighteen, both are beautiful, talented, working and attending college. Mark even has a perfect girlfriend, his high school sweetheart Krissy. Things really couldn't be better.
But the sins of the past continue to shape the present, as both Mark and Megan begin to succumb to their inner demons. For Megan its inability to be comfortable with men; due to the abuse she endured as a child, she cannot sleep with a man other than her brother.
Although she said they were not for all the time, Megan has been spending more and more time in her brother's bed. But Mark has a girlfriend and in order to try to overcome her fears, Megan begins to drink in an effort to relax. Soon she cannot even sleep without a drink.
For Mark, it is more subtle. A disciple of the occult, Mark is tired of man's rules and the hand he was dealt. For Mark life is about taking what he wants, and nothing else matters. As he gives into his inner darkness he has begun to change. Not only is he becoming violent, but he is beginning to get rough in bed, and Krissy has had enough.
On a road trip to visit her uncle, Megan and Mark learn a lot about each other. How close they really are and how badly one needs the other to survive. Megan also discovers its not just Mark that likes things rough. After getting caught in bed together, Megan and Mark face separation again.
As it appears that her father is determined to throw her brother out, Megan realizes just how badly she needs him. Even though it means lying and tricking the very people who saved her life, and love her as their own, Megan will do what she has to. Anything it takes to keep her brother in her life, and her bed.