Having decided that everyone could do with a holiday, the Doctor takes Graham, Yasmin and Ryan to a luxury resort for a spot of rest and relaxation. However, they discover the place where they are having a break is hiding a number of deadly secrets. What are the ferocious monsters that are attacking Tranquillity Spa? Doctor Who continues next Sunday 12th January with 'Orphan 55'. Written by Ed Hime and directed by Lee Haven Jones. Guest starring Will Austin.