She's happy existing inside him - her spirit joined with his. He hates it - another female to mess with his head and turn his life upside down. So what if it's Christmas! If you like the idea of a girl with attitude taking over a workaholic's body and making him do the special Christmas chores she's had planned before the holidays, then you will love how he comes to adore the little witch and ends up doing anything he can to win her love.