Watch 123Movies. The comical short film "Christmas Day" tells the story of a strong bond between Pia and her grandfather. The story takes place within the familiar Christmas hustle and bustle, complete with stressful gift wrapping, ear-piercing children's squeals, and a traditionally comical family Christmas dinner. Amidst all the chaos, Pia finds herself in a moment of a different reality, through which she manages to regain her Christmas joy and gets a reminder of how much we need our family's warmth and acceptance in good and bad times.