The bad moms are back! Amy, Carla, and Kiki continue to feel overwhelmed with responsibilities and under-appreciated by their loved ones. As a result, they have opted to rebel yet again. This time, while drinking beers at a mall food court, they decide to take a break from trying to create a perfect Christmas for their families as they do every year. This decision only lasts though until their own mothers, respectively, decide at the last minute to visit for the holidays. Now the bad moms must attempt to do it all while also dealing with their own bad mothers.