Shelter. The kidnappers bones

Dan, Abby and Jordan together for a long time dreamed to go to New Orleans. Guys longed for exciting adventures, but received a Facebook message-a warning from a friend, one who saved his life, put an end to the fun – after all, he died a year ago...
The closer they are to rising from the ruins after the hurricane the city, the stronger becomes the feeling of danger. They are followed by the strange black rider. Dan realizes that he has brought upon himself and his friends in mortal danger, but that now it was close to solving the death of their parents.