Sinners and Saints (2010)

In the gritty New Orleans underbelly, beleaguered Detective Sean Riley is trying to cope with the death of his young son and his failed marriage. Facing a probable suspension from the department, Riley is teamed with a young homicide Detective, Will Ganz, to help solve a series of brutal murders that have plunged the city into a major gang war. The two quickly realize there is something much bigger and far more sinister going on than either could have ever imagined.