When the supposed great-niece of Marilyn Monroe, Krystal Jean Baker, 13, is found dead beneath a bridge in Texas' Bayou Country, investigators are stumped. The quest to track down her killer will take investigators 14 years, and lead to a new law. 

When the body of free-spirited Bonnie Ruphard, 47, is spotted by a runner in Lafayette, LA, police suspect domestic violence. The case sits for a decade until DNA places a sprawling Bayou family under the microscope for her murder.