Sushant is a businessman. He come home one night very worried and thoroughly irritated. He doesnt speak to his wife Meera properly and goes and shuts himself in the study. Sushants servant gives him some juice but he scolds him and sends him back as the juice is sweet and he is diabetic. The servant goes away and Sushants wife comes charging in to argue with her husband on his behavior. When she enters the study , she finds her husband dead. She screams and runs to call the servant for help . But she is shocked to find the servant dead as well. She immediately calls up the CID team. The cops arrive at Sushants house only to find Meera dead as well. The cops find out that all of them have died due to poisoning. And the poison started from a sim card that Sushant was carrying. The simcard is traced to Sushants office and it is found that the sim card was new and it was bought and poisoned to kill Sushant . However , the poison traveled to Meera and the servant by physical contact. The triple murders investigation leads the cops to Sushants secretary Vishakha who plotted with her boyfriend Amit to kill Sushant because Sushant had found out that Vishakha was faking an affair with him to draw money out of him. Sushant wanted all the money and assets that he had given her back but Vishakha and Amit were in mood to return anything. They decided to kill Sushant. Meera and the servant died by co-incidence.
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.