Ben learns why Riley doesn't like celebrating her birthday and it's all his fault. He knows he needs to make it up to her and plans a perfect birthday surprise, but in typical Ben Wheeler fashion, disaster ensues. Bonnie realizes she may have made a mistake in filing Emma's parental rights paperwork and Ben doesn't officially have sole custody. Bonnie enlists Tucker's help in tracking down Emma's mother, Angela, to re-sign the papers, but bringing this baby mama back into their lives may spell trouble. Meanwhile, Amy calls Danny on his lingering feelings for Riley.

Ben and Danny don elf suits while searching for a toy to give Emma for Christmas. Meanwhile, Riley and Tucker assist Bonnie as she tries to arrange a flawless Christmas.

Ben and Riley embark on a romance, but it leads to some humiliation for Riley. Meanwhile, Ben won't forgive Bonnie for bringing Angela back into their lives; and Tucker guides Danny through a breakup-recovery system.