Three researchers go missing from a Boston Records Center. A young brother and sister PI team receive a ominous call to solve a secret. Little do they know that accepting the case will lead them into an incredible adventure where their lives are in jeopardy. Their journey takes them to a mysterious fog shrounded island in Maine where they encounter aged man that appears to be a pirate. If that's not enough, they deal with a mysterious gypsy woman, a millionaire sunken treasure hunter, a newspaper reporter who may not be what he appears to be, a beautiful police detective, and an assortment of odd individuals, living or otherwise, leading them to believe they are dealing with the supernatural. Add to the intrigue that failure to discover and protect a centuries old secret can lead to dire consequences for the country. Mix in elements of danger, romance, humor, and an omnipresent putrid fog, and you have the ingredients for quite an adventure tale with a surprise ending.