本剧每季聚焦一场不同的法律对决。 当Cathcarts & Sons律所与Taylor & Byrne律所因一场备受瞩目的法律诉讼而激烈交锋时，雄心勃勃的年轻律师Jonathan “Johnny” Warren被卷入了一个残酷的世界——在那里，野心是货币，背叛是策略，而胜利就是一切。 第一季聚焦英国科技企业家Morgan Henderson与国际影星Carla Duval的轰动离婚案，代表双方的律所不择手段，誓要为客户赢得胜利。

　　Witness protection is often glamorised as keeping innocent witnesses safe from harm but the truth is darker, murkier, and far more complex. Many protected people are themselves criminals. It’s a life of moral compromise. It also involves maximum secrecy, false identities, and a world where you can’t trust your own colleagues.　　Based on the first-hand experiences of a long serving witness protection officer, Protection is about what happens when the system breaks down. It’s about a police officer, Detective Inspector Liz Nyles (Siobhan Finneran), who finds herself at the heart of such a breach; personally compromised by an affair with a colleague, but determined to fight back, and uncover the true source of corruption within her unit. To redeem herself, the reputation of her lover, and to keep her witnesses safe. Even if they don’t always deserve it.　　Navigating the morally-grey, clandestine world of witness protection, Liz’s mission to find the truth will take her deep into the heart of the criminal underbelly and beyond as she becomes more and more torn between caring for her family, her loyalty to her lover and her duty as a police officer. This is the story of a smart, tough cop, out of her depth in a world where nothing is as it seems.　　With a deft narrative that engages from the outset, Kris Mrksa creates suspenseful twists and with every hairpin turn perfectly navigates the story to ensure the audience won’t know who to believe and who is telling the truth.