That old devil moon

One summer in New Orleans -- Madeline Johnson is determined to uncover the truth about her brother. His last words--a cry for help on Maddie's answering machine--contradict what the New Orleans police are telling her. The cops seem in a real hurry to close the case, and the one detective who may be able to help is about to go on vacation. Alex Batiste's vacation plans are set. His daughter's come to stay with him and, along with the usual teenage problems, the girl--encouraged by Alex's ex-wife -- has a bad attitude toward her father. So police work is the furthest thing from Alex's mind. But…