A down-on-his-luck PI is hired by his old flame to investigate a murder. But while the case at first appears routine, it slowly reveals itself to be a complex interwoven web of crimes, suspects and dead bodies.
An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.
Kayla heads back to her hometown of Stansville, North Carolina, after her substitute teaching job at an elite, private high school comes to an early end. On her first day back, her loving yet inquisitive mother sets up a job interview at her high school alma mater. Kayla, who ultimately wants to get into a competitive teaching program in London, is hesitant to apply.
