A man named Hank comes into Cheers, and becomes interested in Carla. Diane thinks it's sweet, so she decides to help out, and convinces Carla that he's not that bad. She agrees to go out with him, until she finds out what's wrong with him. After a few dates, things seem to be going well, until Carla dumps Hank for no aparent reason. Diane and Sam soon find out that Carla was right. Hank has a serious heart condition and too much excitement could kill him.