The Blackmail Victims - Part 2

C.I.D. – Season 1

CID is consulted to help recover the officer's diary and save the lives of the witnesses. But the investigation comes to a halt when a mysterious blackmailer contacts them, asking for 50 lakhs in return for the diary. Will CID be able to find this blackmailer, or will they have to succumb and pay the money to keep the witnesses safe?