Policewoman Kate takes her husband Sean, teenage daughter Lucy and son Daniel to stay at a luxury villa in Malta. They're joined by her old university friends Rowan and Jenny.

Tensions continue to simmer throughout the villa. Kate is warned to be cautious when she raises her suspicions regarding Sean to Izzy.

Alistair makes a shocking discovery while snooping on Jake's phone: a sex-tape of Lucy with casual boyfriend Alex has been doing the rounds.

Jenny vehemently defends Jake as fingers of suspicion point to him following Izzy's death. Finally, Kate demands that Sean reveal who he is having an affair with.