"Closure" is the 15th and final episode of the 1st series of Casualty. It was preceded by "Survival" and followed by "A Little Lobbying". The episode was directed by Jan Sargent and written by the show's creators Paul Unwin and Jeremy Brock.
The staff hear the bad news; they are to be shut down in one month. They meet to discuss ways of gaining public support.
As Kuba is passing a warehouse on his bike, he witnesses a man, Bob, attacking another man, Lyndsey, with a baseball bat, after learning he has had an affair with his wife. He breaks up the fight, and Lyndsey is taken to hospital. Bob comes to the hospital, asking for Kuba, he cuts Kuba’s hand and threatens him so as he doesn’t tell the police. Ewart invites Kuba to spend New Year with him, for his own safety.
A missionary man, Mr Whitefinch, is brought in with suspected Lassa fever, the hospital is evacuated, while the decontamination takes place. Charlie organises an impromptu pantomime to raise morale – they dress up in costumes and sing. Baz and Charlie exchange Christmas gifts.