Ian Hanrahan arrives to undergo corrective surgery for a minor hernia. However, things do go badly wrong when Ian has a completely unforeseen reaction to the anesthetic. Ian comes out of the routine operation in a vegetative state and there seems to be little hope of any improvement. Ben and Scott are called out to attend a young woman who has collapsed, in extreme pain, at a train station. Meanwhile, Bron is battling with a difficult patient who, despite being discharged, is refusing to leave hospital.