Wealthy London housewife Simeone Cooper has to return to her home town in Australia, where she is forced revisit the past and finally face up to the friends and family she left behind - who only ever knew her as Sammy.
Sammy flees Australia for London with the hope of claiming back her opulent lifestyle - and keeping her children away from the fall out of Terry Harris' 'disappearance'.
Det. Sgt Fairbank makes another visit to the Cooper house to interrogate Jean and Jim. Bev looks to turn her life around before the impending birth of her baby and Chris strikes up a working relationship with a journalist.
Sammy's time in London comes to an end when she receives a call instructing her to return to Australia as a witness in the Terry Harris missing person's case.
Bev realises that the Coopers need her to lie to the cops and looks to profit from their desperation. However, Bev's exploitative behaviour unravels when Jim comes to her side in her hour of need.
Whilst helping evacuate nursing home residents, Fairbank stumbles across Mrs Atkins chattering about vital case information. As night falls, the Coopers struggle to move the evidence.