Leah, VJ and Billie clash over finding out the sex of Billie’s baby.
Alf's is full of regret and only knows of one way to express his feelings out.
Alf can't help but beat himself up over Duncan. Watch this exclusive sneak peek!
Roo fears for Alf's wellbeing. Alf writes a letter to Duncan finally telling him how he feels.
Hunter and Olivia grow closer, despite Tabitha's best efforts to keep them apart. Justin sets out on a dangerous solo rescue mission. Alf crumbles, fearing he's lost Duncan for good.
Everyone is blaming Duncan - Alf just won't have it.
As a CO2 leak fills the cabin, our beloved Summer Bay passengers pass out and the plane crashes. Alf, Roo, VJ and Zac hear the news and all worry for their loved ones.
Leah decides to go on the flight without Zac. Tori's birthday flight takes off, but are they all in danger?
Shannon and Curtis continue to lie to Alf and everyone else.