在夜幕降临时，既是守护者，也是孤独者。bbav

　　A surgeon and a scientist have been secretly trying to transplant the brain from one hog into another. Soon after their first success, they have a golden opportunity to save a human: a 70-year old professor of history is mortally injured in a car accident, but her brain is unhurt; a 25-year-old has severe head trauma, but is otherwise unscratched. The professor, Louisa, awakes ... (展开全部)