Brother or Victim

this is a story about a boy called Benedick whos sister has cancer. while he tries to support her, he recieves violent threats about something which he doesn't even know about. however, is there something going on behind his back? just read it and you will understand.
this is my first story that i've written and completed, but i've only uploaded the first chapter to see what people think of it. please comment (both good and bad things). i'll upload more chapters if people like it.