许佳佳继承父志，加入社会安全支队，和队员们一起维护社会治安。
周振华（罗嘉良 饰）是一名肿瘤内科主治医师，和妻子陶琳（苏岩 饰）结婚多年，彼此之间感情依然十分亲密。然而这幸福的一切在周振华三十六岁生日之后发生了翻天覆地的改变，丈夫的突然冷漠让陶琳百思不得其解。而周振华的初恋情人李京的出现亦让陶琳开始怀疑，丈夫是否变了心。 让陶琳没有想到的是，旧情人张斌（房斌 饰）亦出现在了自己的身边，面对残酷的现实和温情的往昔，陶琳的内心里产生了强烈的动摇。电视台记者楚虹（白冰 饰）是张斌的女友，男友近日里反常的举动让她开始调查陶琳的身世和过去。随着调查的深入，周振华和陶琳的秘密渐渐浮出了水面。
半年间，SNK剧变，总监余英飞离职、门外汉古肇华空降。张家妍虽掌权却难服众。刘艳的公开平台崛起，动摇传统媒体地位，连已入官场的许诗晴亦被卷入新旧媒体的角力。文慧心于此时复出，昭告世人：新闻女王的地位永远不可撼动！
On February 16, 2022, the fourth spin-off series of NCIS set in the Australian city of Sydney was announced, to be shown on the Australian Network Ten, and streamed on Paramount . Shane Brennan has been announced as the showrunner.
As Leo's replacement Thomas Chamberlain arrives Nikki investigates the murders of Rachel Freedman, shot in the head, and her little autistic son Nathan, who was poisoned. Nikki rejects policewoman Anne Burchett's theory that Rachel killed them both but is perturbed when an impostor, claiming to be Rachel's sister, visits the morgue. At the same time the disfigured corpse of Eva Liron is discovered, killed with the same poison as Nathan. She had been the nanny to French hot shot footballer Isaac Dreyfus and was planning to blackmail him over a sex tape of them both. Jewish Isaac is a controversial figure due to his anti-Muslim sentiments but he denies ant part in the murders. Then another victim, Isaac's agent Mousa, is discovered dead.
