This nail-biting low-budget natural thriller directed by independent filmmaker Chris Kentis tells the simple tale of a married couple, Susan (Blanchard Ryan) and Daniel (Daniel Travis) who go on a diving trip while on holiday together. Both are experienced divers, and break away from the rest of the group to explore. Their dream holiday becomes a nightmare when the careless diving boat crew accidentally leave without them, stranding them with only basic scuba diving equipment in shark-infested waters. As time passes and their anxiety increases, the personal troubles inherent in the couple's relationship begin to surface, while the sharks draw ever closer...