The film centers around Alicia and Arnold’s picture-perfect marriage, but underneath the surface, there is something amiss. Arnold is ready to grow their family, but Alicia is hesitant to the idea. Rather than face the problem head on, Alicia, the self-proclaimed "love doctor," immerses herself in her divorced parents, Jack and Brenda’s, dating affairs by setting them each up on a blind date dating app.
Leah's 30th birthday is on Christmas Eve, the same day as her brother's wedding. Her childhood crush is back in town for the wedding and he is determined to make sure her birthday does not go by the wayside.
An LA girl, unlucky in love, falls for an East Coast guy on a dating app and decides to surprise him for Christmas, only to discover that she's been catfished. But the object of her affection actually lives in the same town, and the guy who duped her offers to set them up if she pretends to be his own girlfriend for the holidays.
Dead bodies begin to turn up all over the city, each meeting their demise in a variety of grisly ways. All investigations begin to point the finger at deceased killer John Kramer.