Louise and Stuart clash over the treatment of a potentially brain-dead patient, and the stress of the situation forces Christine to question Louise's ability to continue working during her pregnancy. Christine's relationship with Robert deteriorates, and she accuses him of siding with Jack over the dubious diagnosis of a patient admitted after falling from a motorway bridge. Kate receives a harsh warning from Robert after leaving a seriously ill patient to seek help. David plans a party for his last shift in the department.