Mark Gatiss’ adaptation of the Arthur Conan Doyle short story comes to BBC Two this Christmas, starring Kit Harington and Freddie Fox. 1881. Old College, Oxford plays host to three very different young academics: Abercrombie Smith, a model of Victorian manhood, clean of limb and sound of mind; Monkhouse Lee, a delicate and unworldly student from Siam; and the strange and exotic...