A homicide in Louisiana makes the BAU revisit a series of old murders in the area that follow the same MO. And soon they discover that the case is much bigger than they originally thought. During the investigation, Agent Hotchner comes in contact with a number of relatives of the old victims. And one of them sticks out; Sofia Wade. Sofia is tough, driven and she's not shy to ask for the things she needs which includes Agent Hotchner's attention. But her involvement in the case and their big age difference warn Agent Hotchner to keep his distance.