在即将到来的节日特别节目中，博士最强大、最可怕的敌人之一——达莱克人将回归。博士被关在戒备森严的外星监狱中。与世隔绝，孤身一人，没有逃脱的希望。在遥远的地球上，她最好的朋友亚兹、瑞安和格雷厄姆不得不在没有她的情况下重新开始他们的生活。但这并不容易。旧习难改。尤其是当他们发现一个令人不安的计划正在形成时。这个计划涉及达莱克人。

Code of Silence introduces us to Deaf catering worker, Alison Woods. She’s struggling to make ends meet, juggling two jobs, in a police canteen and a local bar, while also doing her best to support her Deaf mum, Julie. When DC Ashleigh Francis calls on Alison to lip read the conversations of some dangerous criminals, she is plunged into a new and exhilarating world.　　Alison’s in...