Susan apologises to Sarah, who is gracious. It becomes clear to Susan during the discussion that Sarah is holding something back, and she talks to Karl about it, picking holes in all of Sarah’s justifications for coming to Erinsborough when her time left is so limited. His curiosity piqued, Karl asks Sarah what’s really going on, and she finally spits it out: she was going to ask Karl and Susa... (thetvdb.com)