Login to unlock this video.
If you don't already have an account, sign up to enjoy more TVNZ content anytime, anywhere.
AO When things take a turn for the worse with Sara, Oliver calls in a favour from an old friend who deals in the mystical.
This show is no longer available on TVNZ OnDemand
Titles, characters and all other elements are the trade marks and copyright of TVNZ or its licensors. All rights reserved. Further details available here.