Though Lovers Be Lost

"Though Lovers be Lost" is the 846th episode of Casualty and the 24th episode of the 27th series.

Synopsis
Zoe returns from sick leave and ends up in a confrontation with Ash over his decision to keep the overstretched ED open during the flu crisis. Will she see him as too reckless to offer a permanent position? Meanwhile, Jeff must persuade a man to act in his son's best interests, and Fletch is determined to help an elderly gentleman in love.