C.I.D is the show of cops or we can call them as detectives.Cid means crime investigation department they took a one case and investigate the case for searching of real criminal who had been made the crime but not yet had proven or searched by department.
It has dcp called chitrolle who is acting funny character in show.
The ACP is pradyumn who is very strict.and many more characters like Daya abheejit Dr solunke Vivek Fredricks etc