Sisters were jealous because I am perfect

Stacy is the oldest in her family born with 2 other younger siblings (both girls). They were always had fun together but after a certain age, 2 of her siblings started to dislike her because of her perfectness in work and in almost everything that Stacy do. They both made embarrassed her in front of the class and front of her friends. She tried taking this matter to her dad but he didn't understand, instead of helping. He got mad at her. But her mom is the only person always understood her and supported her from time to time until she passes away because of cancer. Stacy left alone to fight against the justice. Will she survives this fight or will she give up and leaves the family for her own good?. Let's find out together.