Susan and Daniel are a happily married couple who are taking a much needed vacation to the islands. They are hoping for a memorable trip. However, their vacation turns tragic when their scuba diving party leaves them in the middle of the ocean by the careless diving boat crew. As the reality of isolation sets in, they turn to one another for support. Unable to flag down passing boats, they begin to panic as encircling sharks begin to appear

David and Amy Sumner, a Hollywood screenwriter and his actress wife, return to her small hometown in the deep South to prepare the family home for sale after her father's death. Once there, tensions build in their marriage and old conflicts re-emerge with the locals, including Amy's ex-boyfriend Charlie, which leads to a violent confrontation.