Sony Entertainment Television long-running series CID will have a power-packed integration episode with the lead cast of the upcoming flick Once Upon A Time In Mumbai Dobaara.

The team of CID will shoot with the lead actors of the movie Imran Khan and Sonakshi Sinha. A source informs us that, there will be a press conference of the movie Once Upon A Time In Mumbai Dobaara happening while everyone is waiting for Sonakshi to join, Sonakshi will suddenly shriek from inside and to shock they will discover a man lying shot dead her makeup room. CID will start their investigation and initially they get no clue about the victim's identity. But an interesting clue is discovered that the dead man was trying to search for something in Sonakshi's belongings!

Now the CID must find what the doomed under cop was after in the underworld and save Sonakshi's life which is the key to the whole mystery!