My messy life

My name is Sky Monroe, I'm 17 and I live with my little sister, Rose, who is 14. My dad, John, is in prison for something he did not do. He was sentenced to 10 years in prison and no custody of me and rose when he gets out. My mum, Lillie, died when I was 14 and Rose was only 10 so I was a mother figure to her. My mum best friend, Chelsea and Duke, are our guardian till I turn eighteen. Today I and Rose are going to see dad in prison because I need to ask him something important because I need to know the truth did he actually kill mum and it is good for rose to see dad before she grows up. The prison has got this family area where there are a play area and tables so Rose can play and I can talk to dad. I was coming out of the prison and I saw something that was familiar then rose screamed and then... *(read what happened next)*
Not very good description but please read.