Evil side of paradise, the

A young couple sit's at the airport waiting for a flight down to Florida for a wedding. It will take place at an isolated location on the edge of the Everglades. The main characters wife Mary, has serious doubts about the trip and isn't afraid to voice her opinion to her husband. It has been years since the man has seen his brother and has never met his soon to be sister in law. His wife finds this whole situation to be very strange and becomes even more uncomfortable when they meet a man who swears the location they are heading to is evil. They arrive deep in the swamp to find a sinister surprise waiting for them.