Bbc children's tv show based on the children's book by jacqueline wilson set in victorian london'. '.strtoupper('h')aving been abandoned as a baby at the foundling hospital, hetty feather isabel clifton has been fostered by a kind couple'. '.strtoupper('b')ut after turning five years old she is forced to return to the hospital to begin her education'. '.strtoupper('h')etty detests the strict regime and longs to leave the institution in search of her birth mother who she suspects may be a part of the town's visiting circus.