Coloured Rain

Ruby looked through the peep hole on the front door of hers and her mums flat. There was nobody there. She slowly opened the door. It seemed to creak with agony as she tugged at it. Ruby looked out on the hallway outside her house. Still she saw nothing. Just as she was about to go back inside she saw a tall shadow on the floor.
"Hello?" she asked uncertainly.
"Hello Ruby," was the last thing she heard...ever!

Saffron is 15. She hears voices inside her head, they tell her things. All the other kids think she's mental, they say that she isn't normal. But then the girls start to go missing and never return, the town where she lives, Snowden, is in a state of panic and the police are baffled, Saffron is the only one who notices the pattern.