Malta. Policewoman Kate takes her husband Sean, teenage daughter Lucy and her young son Daniel to stay at a luxury villa. They are joined by her old university friends Rowan and Jenny and their respective families along with cool singleton Izzy.

Tensions continue to simmer throughout the villa. Kate is warned to be cautious when she raises her suspicions regarding Sean to Izzy. Jenny's husband Alistair finds himself compromised when a freaked-out Lucy accuses him of secretly taking photos of her. Already on edge, Kate approaches the situation with all guns-blazing but is proved wrong when she demands to see Alistair's phone.

Alistair makes a shocking discover whilst snooping on Jake's phone; a sex-tape of Lucy with a casual boyfriend, Alex, has been doing the rounds. At Kate's birthday party, things are brought to a head when Alistair's offer of support to Lucy is misconstrued by both her and Sean, who punches Alistair in the face. Relationships continue to unravel.

Jenny vehemently defends Jake as fingers of suspicion point to him following Izzy's death. Finally, Kate demands Sean to reveal who he is having an affair with. Sean admits that Jenny is CoralGirl but it's not what Kate thinks; Sean and Jenny aren't having an affair,Lucy begged Jake to exact revenge on Alex for the sex tape by telling him she wanted Alex dead.