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.

新年前夕，Sarah又开始工作了，Nick还是她唯一的顾客。一切都是老样子，但与往年不同的是，今年他们将经历最诡异、最致命的新年零点倒计时。为什么杀气腾腾的戴立克会在今晚把此处这两个人类列为目标？为什么他们会一遍又一遍的重复经历同一个时刻？博士、Yaz、Dan能拯救Sarah和Nick活到新年吗？