A meeting in a London bus with jewel thief Lady Christina takes a turn for the worst for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.

Christmas designer Leslie Major (Brely Evans) is the biggest fan of Christmas ever. She is like a tidal wave of Yuletide cheer. Her biggest job every year is decorating the lobby of the famed Chesterton Hotel. As she is on a ladder decorating the tree, she falls into the arms of Edmund James (Andra Fuller) - the grands…