Komal and Aastha are step sisters but no one knows about it except Aastha. Aastha is an illegitimate daughter of Komals father. Komal is the sole proprietor of a multinational company and the whole property. One day Komals mother Mrs. Vandana dies and on that very day of Komal dies. In the forensic it is found that Komal died due to a slow poison. Komal used to take a medicine which is used when someone suffers from Epilepsy, a neurological disorder. But the shocking thing is that she didnt have such condition. As CID goes further in the case they find that Komal was not taking this medication herself but was been given this medicine. Now CID gets the lead and find out that who got access to that medicine and who is behind her death.
The first thrilling investigative series on Indian Television, is today one of the most popular shows on Sony Entertainment Television. Dramatic and absolutely unpredictable, C.I.D. has captivated viewers over the last eleven years and continues to keep audiences glued to their television sets with its thrilling plots and excitement. Also interwoven in its fast paced plots are the personal challenges that the C.I.D. team faces with non-stop adventure, tremendous pressure and risk, all in the name of duty.The series consists of hard-core police procedural stories dealing with investigation, detection and suspense. The protagonists of the serial are an elite group of police officers belonging to the Crime Investigation Department of the police force, led by ACP Pradyuman [played by the dynamic Shivaji Satam]. While the stories are plausible, there is an emphasis on dramatic plotting and technical complexities faced by the police. At every stage, the plot throws up intriguing twists and turns keeping the officers on the move as they track criminals, led by the smallest of clues.