A selection box of rare and unseen films offer an intimate view of Christmas in Wales over the last century. Families and friends share their festive movies and memories, from Christmas in a castle to elaborate entertainment at home. These films capture the many ways the festive season has been celebrated in Wales. A mechanic's daughter from Pontypridd shares her father's films of their annual family Christmas show. Old friends from the village of Llangynwyd enjoy footage of the fearsome folk tradition of the Mari Lwyd. And former Sunday school pupils come together to watch the arrival of Father Christmas in the Clydach valley.