Good title

http://www.killermovies.com/b/blackbutterfly/

It will be a remake of "Papillon noir" (see: http://www.imdb.com/title/tt1152138/), a French thriller made for TV. I've actually seen this film; it's well made, well acted and it had me on the edge of my seat for most of the time. I'm really looking forward to seeing the remake with Nicolas Cage, though. It probably won't be better than the original despite the bigger budget, but it should be interesting nonetheless.

If you want to check out "Papillon noir", it's available on DVD in France.