On August 12, 1967, in Montana's Glacier National Park, the unthinkable happened: that same night, nine miles apart, there were not one—but two—fatal grizzly bear attacks.

A married couple are thrown into a crisis when the wife, an under-appreciated and stressed "supermom," suffers a post-traumatic breakdown during the holiday season, causing her to regress to her college-age, party-girl self. While she teams up with the neighbor's 19 year old daughter to paint the town red, her bewildered husband must navigate the chaos at home.

A police detective and her family get a terrifying visit from Santa.