Dawn's son slips into a coma, leaving surgeons baffled. Meanwhile, estranged father Keith turns up, indicating his disapproval of his wife's involvement with Andrew...

Sam breaks all the rules and gets emotionally involved with a patient, casting a shadow over his future at the Beeches.

Sam makes an unusual bet with a smoker anxious to quit, while Andrew tries to help a farmer whose failing health has driven him to take desperate measures.