Catherine strange is Bellateix strange daughter she  is 15 and never went to school instead her mum made her a death eater by 13 she never went to school her mum was her teacher and told her how to kill somebody so on she get a task by Voldemort it is to go to school for the next two years and get to know it befor the fight . But so how she gets a "friend " she slowly finds her safe In love with him and dose not say anything because she know they are get a thing for fun but little did she know that the next 1 years and a hate she will be in a relationship  with him but something happened at the fight