Overview:Alison undergoes successful surgery, and Billy agrees to care for her when she returns home from the hospital. They both become frightened by how much they have come to care about each other. Jake and Jo observe that the necklace Billy plans to give Alison for Christmas is more than a ""friendship"" present. Billy disagrees, but decides not to give Alison the gift after she makes him agree to a ""no presents"" pact (because she is short on cash). Alison fears that she has hurt Billy's feelings. She later apologizes, and he gives her the necklace. They admit that they have become confused by their feelings. Jo and Jake try to overcome their unhappy memories of Christmas. He is excited about making a fresh start, but she remains cynical and wants to ignore the holiday. She also tries to push Jake away, but they end up having a hot make-out session. Michael is depressed when he and Kimberly cannot save a young gunshot victim, but his spirits are revived after delivering a baby for t