Unraveling two chilling mysteries, each case explores how crime leaves lasting scars—and how, through fractured timelines, belief can become a path to redemption.

“五哈”旅行兄弟团即将再次启程，《哈哈哈哈哈》第五季步履不停探索祖国广阔土地，把快乐继续传递。

上世纪90年代，从宁夏贫瘠甲天下的西海固地区搬迁到玉泉营地区的移民们，从无到有地建设着他们的新家园，村干部马得福（黄轩 饰）操心着通电、灌溉用水等桩桩件件的问题，他足够努力，却不自信未来什么时候来。直到国家新的扶贫政策出台，福建对宁夏的扶贫事业进行对口援助，并建立了合作样板闽宁村，陈金山（郭京飞 饰）、凌一农（黄觉 饰）等一批优秀的福建干部、技术人员为闽宁镇洒下奋斗的汗水，帮助得福找到了未来的方向，白麦苗（黄尧 饰）、马得宝（白宇帆 饰）、李水花（热依扎 饰）等村里的年轻人也通过劳务输入、发展庭院经济等收获了自信。在发展的过程中，传统与现代，物质文明与精神文明，寻根与断根等问题不断突显，对于马喊水（张嘉益 饰）、白校长（祖峰 饰）、李大有（尤勇智 饰）这些上一辈的人们而言，挑战和转变也在不断发生着。从西海固走出的人们没有忘记他们的初心，他们没有断根，而是把根扎在了这片更肥沃的地方，互相扶持着走上了康庄大道。

After a critical intelligence leak, a national security unit launches an intensive investigation. But successive setbacks in their arrest operations reveal a shocking truth: the trail leads back to within the unit itself. Amidst a storm of trust and betrayal, a silent battle begins to unfold...

A crime-fighting cop maintains a zero-crime rate and faces job loss, so he decides to fabricate a major case, unaware that actual grave robbers are targeting a treasure-filled tomb located directly beneath his police station.

The youngest forensic doctor in Licheng, Qi Sizhe, loses his girlfriend, Yu Fei, in a car accident. However, he soon uncovers a mysterious force behind the crash. Determined to find the truth, he joins the criminal investigation team in Hecheng, only to be caught in a series of bizarre, chilling cases. Victims long dead are wrapped in webs, and missing bodies appear preserved in formalin in the morgue. As he teams up with Zhu Qingyue and Han Feng, they break case after case. And the truth behind Yu Fei's death and the "Original Diamond" drug case begins to surface…

骊城公安局最年轻的法医齐思哲（罗云熙 饰），因一场车祸失去了女友俞菲，但他发觉意外的背后似乎隐藏着神秘的幕后推手。为了调查真相，齐思哲入职成为河城市公安局的刑侦法医，却被迫卷入一桩桩令人细思极恐的奇诡悬案之中，身亡许久的被害者被重重蛛丝包裹，失踪的尸体出现在标本室的福尔马林中……在侦破过程中，他与祝青越（刘雅瑟 饰），韩烽（江奇霖 饰）强强联合，抽丝剥茧屡破奇案，而牵涉当年俞菲之死的“原钻”毒品案，也逐渐展露冰山一角……

Trilateral Slopes, a tropical exotic melting pot teeming with all kinds of people, a place where prosperity and decay coexist. Shen Xing, a laborer who unexpectedly ends up here, crosses paths with Mr. Cai, a local wheeler-dealer navigating through the various forces at play. Together, they embark on an adventure, guided by a glimmer of kindness, as they face the struggle between staying and escaping. How will their story unfold in the midst of the disarray?