When the bodies of young women show up on the outskirts of Laredo, Texas, Cpt. Calderon leads a dramatic manhunt, ending in a face-off with a killer.

When a Minnesota woman dies following an arson attack on her home, Agent Fraik must track down the five-year-old girl she was babysitting.

In Northern California, the brutal execution of a humble U.S. Forest Service worker sends Inv. Hagwood on a multi-state manhunt for a deranged killer.

南卡羅來納州的河裡發現了一具浮屍。死者的手腳被綁縛，但屍體腐爛嚴重。這很明顯是一起凶殺案，但是幾乎毫無線索，讓偵辦過程困難重重。

北卡州有一座廢棄穀倉失火，消防隊在餘燼中發現燒焦的屍塊；與此同時，威明頓有一對母女莫名失蹤。