It's an unforgettable Christmas for the townsfolk of Wellington-on-Sea when the worst snowstorm in history alters everyone's plans — including Santa's.

An insecure mother tries to maintain the bond with her son as he starts to reject her and threats from the outside world put a strain on their relationship.

Leah, 10, has terrible nightmares. Her mother seems distant somehow, lost in her thoughts. A small, nightly visitor brings Leah comfort, but soon Leah will realize that her little visitor offers knowledge that might be very, very dangerous.

A sixty-two-year-old divorcee with two grown-up children and no sign any grandchildren on the way decides to secretly undergo treatment to have a baby, only to learn that her 38-year-old daughter is also pregnant and due at the same time.

After a recent loss, a struggling mother races to protect her daughter from a terrifying creature that can mimic any sound it hears.