Debbie Issit directs this seasonal British comedy starring Marc Wootton, Martin Clunes and Catherine Tate. The staff and pupils of St. Bernadette's face their biggest challenge yet when new teacher Mr. Shepherd (Clunes) loses his memory. Not only that, the school's Christmas mascot Archie the Donkey has also gone missing. With Mr. Shepherd's fiancée Sophie (Tate) in New York, can the pupils help reunite them and restore order before Christmas comes?