Meet the ultimate Scrooge... The festive season in the small Cornish village of Portwenn is going to be anything but easy for curmudgeonly Doc Martin. His idea of a perfect Christmas Day is to remain steadfastly alone and catch up with back issues of The Lancet. However, Portwenn is fighting off the cold and frost with a period of determined revelry before it heads into its deep winter sleep, and his patients are even more exasperating than usual. Not to mention his on-off relationship with local school teacher, Louisa. It will take all of Doc Martin's willpower to fend off the attentions of the Christmas spirit...