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A family encounters a blizzard while traveling from California to Idaho for a funeral, eventually embarking on a three day, 20 mile trek through the wilderness.

A woman who was in a cult with her family and was sexually abused as a teen by the cult leader is the focus. An international manhunt ensues to find the cult leader, who fled from Minnesota to Brazil.

A plow driver unknowingly dumps piles of snow on top of a fort with two children inside, burying them alive.

A schizophrenic veteran takes people hostage at the Salt Lake City Public Library, but he doesn't realize an off-duty cop has planted himself inside the crisis in order to minimize possible damage.

A woman goes online to find a loving relationship, but instead finds a man who tries to kill her.

An army veteran goes hiking with his friend and dog in California's San Bernardino National Forest, but the situation grows dangerous as the trio unexpectedly face whiteout blizzard conditions and struggle to get cell-phone reception.

In the third-season finale, a family are held hostage at gunpoint by two bank robbers who want the bank-manager husband to empty his bank's vault.

When high school junior Melissa Dohme met Robert Burton, she thought she'd met the guy of her dreams. Little did she know, he would try to kill her - more than once.

First-hand accounts of the valley fire that eviscerated Northern California in 2015. Included: interviews with the people whose lives were on the line and those who were instrumental in helping them survive during the devastating fires.