One's a loner, the other a family man -- how will they work together?
The upcoming HBO drama series releases its second trailer and teaser art
The premium cable channel will air the three series in January
The two Louisiana policemen spend nearly two decades trying to crack one huge case
HBO series will star McConaughey and Harrelson as a pair of detectives trying to solve a murder
Michelle Monaghan will play the wife of Woody Harrelson's detective character
The duo will play detectives whose paths cross when they try to solve a 17-year-old serial murder case in Louisiana