After a lorry overturns and spills its load across a suburban street, the Casualty team have to cope with injuries caused by toxic chemical waste. And a soldier's anger explodes when he returns home to find his wife is not there waiting for him.
Mark's secret is out and it leaves Jane high and dry but he's not bothered because he's got a new job with a tobacco company.
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Ready to Watch Casualty, Season 8, Episode 18?