《终结者2：审判日》发生的27年后，由于未来天网派来T-800成功杀死年幼的约翰，以致令未来产生变化，一个全新进化的液态金属终结者从未来派出，目的是追杀持有关键讯息的丹妮·拉莫斯、半生化人葛蕾丝和她的朋友。这使莎拉·康纳以及成功杀死约翰的T800终结者前来帮助她们一行人，以共同为了人类的未来而战。

杰森与妮琪是一对非常想成为父母的情侣，但在怀上孩子上困难重重。为了实现他们想要婴儿的想法，他们选择了领养，并面对领养过程中带来的一系列问题。

Following the conviction of some of those involved in the theft and handling of the Brink’s-Mat gold, the police realised that those criminals only ever had half of it. Series two explores what happened to the other half, and the criminal fortune it created. As the police investigation continues, it becomes a tense, high-stakes journey into international money laundering and organised crime, while the police embark on dramatic manhunts as they desperately try to solve the longest and most expensive investigation in the history of the Metropolitan Police.