It all started quite normally... Forty-year-old Englishwoman Esther decided to relax after a difficult divorce - and left for distant exotic Malaysia. And there, in search of fresh impressions, I went, as part of a tourist group, on an excursion to an uninhabited island. And then something strange, frightening, dangerous happened... The group’s guide disappeared without a trace, along with the boat, and the unfortunate tourists found themselves captives in the ocean. What happened? How to survive and wait for help? And will help come at all? Esther still has no idea: what happened is not just an accident. Behind this are shadows from her distant past, which she would very much like to forget...