Lisa is about to call the police over Zak's disappearance when he strolls in, leaving her and Sam stunned. Lisa wants to know where he's been, but Zak is uneasy as he can't remember and tries to cover. Lisa is astounded by his attitude and frustrated by his lack of answers, while he feels guilty for upsetting his family. Later, Lisa is more frustrated than ever when Zak won't talk about the matter, assuring her that it's nothing to do with her. Towards the end of the day, Debbie reminds Zak that Sarah needs the whole family to pull together. Meanwhile, as Laurel and Ashley enjoy spending quality time together, Diane worries that Sandy doesn't look well at the pub. Diane and Pearl take Sandy into the back room as he feels dizzy, but he refuses to get Ashley involved. Later, Laurel and Ashle