Cruciatus

The sister that no one really paid any mind to. Sucked back in time after brutally being tortured. The Marauders find her. What happened when three of the marauders feel this overwhelming need to protect this girl. Make sure that nothing more happens to this beautiful girl. How will they protect the girl from the beginning of a war, she's already seen the outcome of. Will she be able to save what has been lost? Will the marauders be able to save her more then they realize she saving them? Can she change the past, to help save the future?