On holiday in Cuba with her daughter Anna, Bryony Kemp is struggling to come to terms with the death of her husband. Expecting a chance to rest and recuperate, she is distraught when Anna disappears one day while sightseeing. Mark Greenstreet, an English policeman staying at their hotel, is keen to help, unaware of the danger lying in wait. But as he and Bryony are drawn closer together, they discover that old secrets cast long shadows - and keeping them can be the ultimate betrayal of trust.