Season 1 Episode 1: Sarah

"Sarah Cunnington trained as a linguist and is fluent in over twenty languages. Her dreams of some exciting international job, however, came to nothing and she found herself working as an office girl in a London cosmetics company. But when her boss sets her up with an opportunity to do some translation work for a bit of extra cash, she finds herself instead thrust into a barely-believable world of time travelling secret agents…"