UNIT agent Tara Mishra is on the verge of whistleblowing the existence of aliens to the British public, after rampaging daikaiju have been spotted in the English Channel! Can the Doctor, Rose, and Jack prevent her from changing the course of the 20th century by revealing the truth... and do they even want to? Plus! A new companion aboard the TARDIS - and a new thread in the unravelling weave of Jack's missing memories!