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As Sam gets ready to return to the army, new nurse called Fletch joins the team. After Sam falters during a training exercise she is forced to ask herself whether she will ever be ready to face a war zone again. As she is returning home she meets Captain Morrison, a former army colleague, who has been involved in an accident. Believing that he has had an epileptic fit she is torn over whether she should tell the army the truth about her suspicions, which could end his military career for good. Fletch is making a good impression on everybody except Lloyd.