An Unusual Love (2000)

The day before his wedding, Tian gets into a serious accident, and falls into a coma. He will probably be a vegetable for the rest of his life. His fiancee, Shu, dedicates her life to caring for him, but after many years begins to be swayed and tempted by the romantic advances of his best friend. Will she continue to stand by her man, literally as his lifeline?