The Dimension to Destiny

Sierra was a child who was constantly in foster care while never knowing who she is or where she's from. After accidentally falling into a portal to another dimension where there is magic, past secrets come to light and show her who she really is. 

A man is trying to kill her and claims it's for the greater good while the kings guard, Quinton only wants to keep her safe. Can she figure out what kind of threat she is before it's too late?