A wheelchair-bound ex-roofer takes Heston's advice and tries singing as a therapy, but is he as good as he thinks? Imogen makes a shocking declaration to Karen, while Julia is upset she is the last to know about Charlie's sexist comments, and feels frustrated that she cannot do anything about it. Michelle, however, is determined to give Charlie a taste of his own medicine. Daniel realises how key Zara is to his access to Izzie.