Treat Her Better

"I have had feelings on a certain girl for a while now. She is cute, kind, caring and supportive. However, I know I can't have her...For she is my sister, my best friend and is in a relationship with someone...a twisted and poisonous relationship. The poor girl, is under his act and will do anything to stay devoted to him. If only if there was a way for me to get her out of that relationship. I know that I can treat her better. Better than he certainly can..."

Lisa has strong feelings for Amy but she can't have her since she is an relationship...a poisonous and twisted one. After Lisa makes a shocking discovery, will she be able to get her sister out of the misery she is in or will her boyfriend do something that will be absolutely unforgivable?