What is take away by Jackie kay about?

take away by JACKIE KAY is about a place in the east end that is filled with drugs the drugs are represented by onions and no one knows where their coming from until a tap dancing poet called darcus comes to the east end and finds a way to get rid of all the onions but in result of getting rid of the onions he kills all the young people because he wasn't paid for getting rid of all the onions