Your "mum" married Your step father after your father had passed, you have a stepbrother who definitely didn't like you he turned your whole family against you. you and your brother had to babysit your sister but when you came downstairs you see your sister in your stepbrother arms with a knife in her body, your mum came home and your brother put on a face and blamed you. Of course since he turned everyone against you she believe him and kicked you out you then learnt she isn't your real mother.