Sunny, Arianna, and Molly are three women having three very different, but similarly terrible Christmases. Sunny is a newlywed with two new stepkids who want nothing to do with her; Arianna is newly divorced, living with her mom again, and hates sending her daughter off to spend the holiday with her dad; for Molly, nothing is new, but her job at the post office is getting very, very old—with all the cranky customers worrying about getting their holiday packages off in time, she doesn’t have a moment to enjoy the season herself, much less spend time with her daughter and granddaughter.   The whole Christmas season has been a bust. All that work for just one day that went by so fast, and not at all how they’d planned. But Sunny and Arianna have a crazy idea: What if they extended Christmas into January? February? Saint Patrick’s Day?   The conversation turns serious when the women begin to play with the idea of really celebrating twel