Sah comes face-to-face with a figure from their past, and David tries to win Ollie back onto his side.
Elvira and Mariam hatch a plan to escape that involves forcing their supervisors to call an ambulance - which brings Iain's search for them to an unexpected conclusion that puts all their lives on the line. Paige opens up to Rash about her struggles to cope following her mother's death.
Surgeons Meyer and Jordan race against time to carry out a transplant operation, while the careers of two nurses hang in the balance.
Reverberations of Jac's surgery are felt around Darwin and beyond. Will life on Wyvern Wing ever be the same again? A wounded Dom feels more left out than ever after learning Josh and Ange have closed him out of their family crises, while Donna and Hanssen rally around Lexy after bad news, but she is determined to seize the day.
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