Supernatural's Sister

Everyone has heard of Sam and dean right? The demon hunters? Well anyway they have a little sister that no one really knows about.... Until she sets out to find them after her mother is murdered on her 15 birthday. Nicole was a mistake, after an drunken encounter with a dashing young woman, John Winchester found himself with another child on the way. He tried his best to keep in touch. Nicole has only seen her brothers once that was when she was 5 years old, mute, and screamed when she first saw them. What will happen when she finally finds her brothers?