It's Christmas at Arkwright's, and Granville has his eye on a tree which gives him more than he bargained for. Nurse Gladys gossips with Mrs Featherstone about tactics for her new job, and Eric and Cyril embark on a new fitness plan to impress their wives. Meanwhile, as Granville plans a cosy festive drinks party, can he and Gastric tempt Madge into the Christmas spirit?