Breaking his jar of hearts

Hazel Donald is sent to live with her Auntie and Uncle when her parents go on holiday why would they want to mistake to go with them.
Her cousin Blair has been dating a guy called Jasper, behind her families back for a while now. But when she comes home crying because Jasper the player has cheated on her and laughed in her face as he did it.
Her older brother and Hazel’s Cousin, Carter vows that Jasper will pay for what he has done to his little sister and calls the help of his two best friends Carl and Ben, to make a team up to make Hazel the prefect girlfriend for Jasper.
So she can play him at his own game, and win, and in doing so breaking his jar of hearts that he carries round with a smirk and a wink.
Will she win or get her heart stolen?