Bruised from the breakdown of her marriage, Esther Lomax needs to get away and hopes Malaysia's unspoiled shores will provide the space and time alone she seeks.
But a day's boat trip takes a desperate turn when Esther, along with six other holidaymakers, is deposited on an uninhabited island, their guide promising to pick them up in an hours's time.
Only, he doesn't come back: not an hour later, not two, not even the next day, Before long the dreadful reality of the situation hits the group: they have no way of getting back to the mainland and they know nothing about each other. As tensions erupt, secrets emerge and time begins to run out, Esther must ask herself the ultimate question: will she leave the island alive?