ACP Pradyuman, Daya and Abhijeet are an elite trio of officers who work for the CID. They seek the help of professional forensic expert Dr Salunkhe and solve various criminal cases.

The story of Rodrigo Díaz de Vivar, a Castilian nobleman and war hero in medieval Spain.

The youth of Rodrigo Díaz de Vivar, the historical Spanish hero and nobleman, known as El Cid.

C.I.D. inspector Veer wages war against organized crime. His enemy is Roshan Lala, the overlord of the drug and gold smuggling racket in India.

A newspaper editor, Shrivastav, is killed when he was about to expose the underworld links of a very rich and influential person. C.I.D. Inspector Shekhar is assigned to this case, an investigation of which leads him to suspect Dharamdas and his men. But Dharamdas spins a web of lies and deceit, and Shekhar himself becomes a suspect, and is arrested by the police, and loses his job, leaving Dharamdas and his men to carry on undeterred.

C.I.D. Sudhakaran is assigned to investigate the murder of Mukunda Menon, a wealthy planter.

In the slums of Rio, two kids' paths diverge as one struggles to become a photographer and the other a kingpin.

C.I.D. is a Singaporean police drama which aired in 2006 on MediaCorp Channel 8. The series debuted in June 2006 and was screened on weekday nights at 9pm. The series was directed by Chong Liung Man and starred Tay Ping Hui and Qi Yuwu in the main lead roles. Five years later, Chong would go on to direct award-winning police blockbuster C.L.I.F., which also features Tay and Qi in the main roles as colleagues in the CID. Rare for a locally produced drama, certain scenes were filmed on location outside Southeast Asia; there were several scenes which took place in Taiwan and were filmed in the country itself.

Rodrigo's life as a child was a noble and happy one, he entered school at a young age. Often he went on adventures with his best friend Sancho and often visited his beloved one Jimena, the daughter of the count of Gormaz. His happiness did not last forever, after the death of the King Fernando, Rodrigo is seen wrapped in a world of plots and conspiracies that to will put an end to the life of Sancho and the consequent coronation of the infant Alfonso. All of a sudden, Rodrigo loses all that that he has acquired, his best friend and the love of its beloved one, and is unjustly exiled to Castile without honor!