Katie is certain that it was Robert who started the fire and heads over to Home Farm to tell him as much, refusing to leave until he admits it. Andy of course assumes his brother had nothing to do with it, and Katie's obsession with bringing Robert down may just end up finishing HER marriage instead of stopping his. Elsewhere, Val continues trying to play matchmaker with Tracy and Sam while Lachlan enjoys having the chats with Alicia about all the drama at home.