Charlie's brother Brad is always in trouble with the law, but it's minor stuff, usually, just messing about. Charlie blames their mum, for going off and leaving her and Brad and their Dad to fend for themselves. So when Brad is accused of killing a motorist with a well-aimed stone from a motorway bridge, Charlie is suspicious. It's just not Brad's style. When Charlie starts doing some investigating of her own she unearths a bigger, much worse secret, as well as discovering things about her brother, his best mate Denny, and her long-lost mother that turn her world upside down. In trying to prove her brother is not guilty, Charlie has lost her own innocence, for good...