This episode finds the Doctor Jodie Whittaker, Yaz Mandip Gill and Dan John Bishop in 19th century China, where a small coastal village is under threat – from both the fearsome pirate queen Madame Ching Crystal Yu and a monstrous alien force which she unwittingly unleashes
Will the Doctor, Yaz and Dan emerge from this swashbuckling battle with the Sea Devils to save the planet,
