When a man is shot on the beach by a policeman the team investigate. Tennant is being assessed is she's OK to return to duty. Her final assessment is being conducted by Sam Hannah and he has reservations but allows her to go back to work and works on the murder they think the huo87.com man who was killed might be a protected witness. Tennant goes to the Marshalls to ask but when she arrives her contact a Marshall she worked with is being arrested. She is told they suspect he leaked the witness's location. But Tennant and the team investigate and learn the entire Marshalls's database was hacked and is being offered on the dark web. They learn the source of the hack is in Las Vegas so Tennant goes along with Hannah to investigate. 　　译文(2): 当一名男子在海滩上被警察射杀时，小组进行调【资源囤-ZiYuanTun.Com】。目前正在评估 Tennant 是否可以回来工作。她的最终评估是由 Sam Hannah 进行的，他有所保留，但允许她回去工作，继续调查谋杀案他们认为被杀的 huo87.com 男子可能是受保护的证人。Tennant 去马歇尔警局问过了，但是当她到达的时候，她的一个同事马歇尔已经被逮捕了。她被告知他们怀疑他泄露了证人的位置。但是 Tennant 和他的团队调查发现 Marshall 的整个数据库都被黑了，而且是在暗网上提供的。他们得知黑客的来源在拉斯维加斯所以 Tennant 和 Hannah 一起去调查。