In a Heartbeat(Teen Wolf)

Ok so we all know the very much famous Lydia Martin. But do we all know the very much unfamous Scarlet Martin, or Scar to Scott and Stiles. She is Lydias adopted sister. She is only 2 months younger than her. But unlike Lydia she isn't popular, she dosent have the iconic strawberry blond hair, she dosent have a boyfriend, and she doesn't have many friends in general. So what will happen when you take three friends that usually only have to worry about if they are going to
finish there homework on time and mix them into the word of supernatural where they will then have to worry about if they are even going to survive long enough to think about homework. Who knows. And what happens when Scott fall's in love with the new girl, Stiles is still in love with Lydia and Scarlet dosent know who to trust any more.