Thurs 14 May 2015 Pt1

Robert is hopeful when he joins Chrissie for a walk - until she locks him in an out-building and threatens to set fire to it. However, what neither of them knows is that Lachlan is watching the terrifying scene unfold. Debbie tells Ross the real reason she invited Emma to the engagement party, but his mother is not the only unwanted guest, as Charlie makes a surprise appearance. Meanwhile, David is unsure about moving to Portugal, and Sam is troubled by Rachel's nightmares