新年伊始，一个可怕的恶魔从地球几个世纪的历史中显露。当博士和她的小伙伴们回到家时，他们能否又一次战胜对地球的威胁？

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？

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?

The upcoming festive special will see the return of one of the Doctor's biggest and most feared enemies - the Daleks. The Doctor is locked away in a high-security alien prison. Isolated, alone, with no hope of escape. Far away, on Earth, her best friends, Yaz, Ryan and Graham have to pick up their lives without her. But it's not easy. Old habits die hard. Especially when they discover a disturbing plan forming. A plan which involves a Dalek.

经历了许多危险的旅程，在时空中与最可怕的怪物对决后，第十三任博士终于迎来了她最后的冒险，对抗她最致命的敌人: 戴立克、赛博人和她的宿敌——法师。 　　是谁在一个遥远的星系边缘攻击一辆高速行驶的列车？为什么地震学家从21世纪的地球上纷纷消失？那些失踪的世界名画究竟下落何在？为什么一个戴立克要主动和博士联系？在1916年的俄罗斯，妖僧拉斯普廷和沙皇尼古拉斯之间究竟发生了什么不为人知的故事？一重重威胁在博士面前展现，面对这场生死之战，她将何去何从……