In sunny California, an innocent couple is found gunned down in a parking lot. As detectives look for a suspect-they soon learn their deaths are part of a murderous plot against law enforcement. The search for their killer will soon take police to the mountains of Big Bear during a brutal winter. Will the weather help them during the fight of their lives?

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Detectives leave no stone unturned while investigating the brutal murder of young Jessica Keen in a cold, damp Ohio cemetery. Despite the morning frost destroying any potential finger prints, the chilly weather helps preserve evidence that reveals the identity of her killer nearly two decades later.

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During a bitterly long and cold Michigan winter, a young father disappears. But when winter gives way to spring-a gruesome discovery is made. Will the winter help investigators in their quest for the truth?

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During a frigid New York Winter, police spend several days investigating the disappearance of Joan Bent. Detectives question those closest to her -- a distraught husband, concerned boyfriend, and a recently fired employee. However, once Joan’s body is found, investigators find their answers have been frozen in time.

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On a blustery winter day in Michigan, police receive a call reporting that a beloved couple was found dead in their home. There are few clues, but snow on the ground offers a key lead. Will it be enough to help investigators solve one of the town's most horrific double homicides?

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When 19-year-old Christopher Green’s body is left in a snowy ditch less than a mile from his house, investigators only hope of solving his murder are shoeprints at the scene and neighborly intel.

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A powerful thunderstorm hits a small Illinois town in the middle of the night. Meanwhile, one of the town’s wealthiest couples is shot to death as they sleep. Will the storm hinder the investigation as detectives search for clues? Or will it end up helping catch a killer?

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In a remote Louisiana field, the body of Brian Davis is discovered at what appears to be the scene of an attempted robbery. However, a perfectly timed afternoon rainstorm unravels an elaborate plot involving multiple suspects that lead to the death of the insurance salesman.

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As Hurricane Isabel approaches the Virginia Coast, the burned body of a woman is found. Detectives are forced to unravel a mystery through the aftermath of the major storm. Will they find the killer who used powerful winds and rain to conceal the crime?

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When a young woman vanishes during one of the worst droughts in California history, detectives embark on a decades long investigation to find a serial killer; But will the ever-changing landscape help to cover his crimes or bring him to justice?

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