承接第一輯人物，第二輯繼續以高級督察李輝豪、經驗豐富的警長陳展鵬、衝動的警探王森，及初出茅廬的小子呂志偉為主角，查探各類黃、賭、毒案件，還有偷車案、黑幫尋仇案、棄嬰案，甚至有自殺嫁禍妻子的案件等等。

A newspaper editor gets murdered when he was about to expose the underworld links of a rich man. A C.I.D inspector gets assigned to investigate the murder.

C.I.D. Inspector Veer( Vinod Khanna) wages war against organized crime. His nemesis is Roshan Lala (Kiran Kumar) the overlord of the drug and gold smuggling racket in India. So dangerous a man Roshan is Roshan Lala that no witness has ever dared to come forward to give evidence against him in court. Frustrated by the lack of evidence and witness needed to convict Roshan Lala, Inspector Veer manages to infiltrate a young undercover officer Raksha (Juhi Chawla) into Roshan Lala's organization. However she is soon discovered to a Police officer and ruthless shot down by Roshan in a deserted street. Fatefully, this murder is witness by Mr. & Mrs. Saxena a respectable middle aged couple whose only daughter Meghna is engaged to be married to Inspector Veer. Is Roshan Lala successful in his design? Does Inspector Veer convict Roshan Lala or does he lose his beloved forever?

警察部队刑事调查部的一群警官寻求一位专业法医专家的帮助，侦破了各种刑事案件。

C.I.D. Rajanna is a 1970 Indian Kannada-language film produced and directed by R. Ramamurthy, starring Rajkumar. The supporting cast includes Rajasree, Premalatha, Dinesh, Ranga, Dwarakish and K.S. Ashwath.

Two families of the Neapolitan Camorra fight for power.

A wealthy Indian scientist known as Professor has developed a nuclear project to bring about peace in the world. He has encrypted this project in code words known only to him and his daughter, Reshma. Then Wong abducts his wife, Paro, and blackmails the professor. The Professor is ready to turn over the project to Wong, when Wasco abducts Reshma and holds her for ransom in exchange for the same project. C.I.D. Agent Raju steps in and rescues Reshma and both fall in love with each other. But their problems are far from over as Reshma gets abducted again - this time by both Wong and Wasco. Raju search for Reshma lands him in a dungeon - paving the way for the criminals to force the professor to handover the project as well as the solution to the secret code to them.

Lord Randall Hale possesses a sacred amulet that once adorned the royal arm of the boy-pharaoh Tutankhamen. Back in Egypt, the zealous and ruthless priests of the Temple of Amenhotep II want it back and priests Abdul, Salam and Fouji came to England to get it. Meanwhile, an international gang of crooks, led by Giles Wade, aka The Panther, also want to take the royal-jewel from Lord Hale of Deep-Dene Manor, and many varied types began to frequent the area around and about Deep-Dene Manor, including a ghost. Hale`s niece from Canada, Diana Brooks, also pops in, as does his worthless cad of a nephew, Chester Dunn. So does Chief Inspector Jack Lloyd of the C.I.D. The game is on.

英俊潇洒的黄元申在电视剧《CID》中扮演警探“李sir”，此剧播出后深受欢迎，迷倒了不少电视观众，TVB因此续拍《新CID》

Unnikrishan (Jayaram) wants to become a secret agent like his idol, Prem Nazir. His parents and his girlfriend support him but Unnikrishan still cannot find a job. He later gets selected as a trainee in a private detective agency called Secret Files. He is given the task of investigating a businessman's daughter's record. He faces two rivals, Premshankar who pretends to love Arundathi, and Oomen Koshy is a working as a gardener in her house. They are from the same detective agency investigating the same case. Things go wrong and the 3 decide to investigate the case as a group.