This week on General Hospital, Lucy's husband, Kevin Collins, returns to Port Charles to try and get her to quit it with all the vampire talk. But look for another familiar face from the Port Charles days -- Alison Barrington -- to return to town, and she thinks John is "Caleb" too! John can't seem to catch a break. But by week's end, a shocking murder is committed ... and John is accused of being the killer! Get a sneak peek at ABC.com.