Nelson is offered a promotion but the day doesn't turn out the way he'd hoped when a highly charged ethical dilemma presents itself. His day is further complicated by the demands of a mystery woman. Mitch is rattled when Rose makes a small but unexpected appearance, and is then confused by a puzzling case that Charlotte may hold the key to. Mitch becomes worried that he is no longer performing up to standard. Bron, who is made 2IC for the day, is trying to smooth the waters with Paula but only succeeds in making things worse - while Ben's slow recovery in ICU is frustrating Bron, who wants to work through their problems.