A ferry filled with crewmen from the USS Nimitz and their families is blown up in New Orleans during Mardi Gras. BATF Doug Carlin is brought in to assist in the recovery of evidence from the massive investigation, and gets attached to an experimental FBI surveillance unit. The unit uses technology to directly look back in time a little over four days into the past. While tracking down the bomber, Carlin gets an idea in his head: would it be possible...

When an elite crime squad's lead detective investigates the disappearance of a victim on the first snow of winter, he fears an elusive serial killer may be active again. With the help of a brilliant recruit, the cop must connect decades-old cold cases to the brutal new one if he hopes to outwit this unthinkable evil before the next snowfall. Grisly images, violence, some language, sexuality and brief nudity.