Crime Unlimited

Crime Unlimited is a 1935 British crime film that was made as a Quota quickie. It was directed by Ralph Ince. The film marked the Englishlanguage debut of Lilli Palmer.

When he enters a casino, Natascha is sent to check him out. He pretends to be looking for a fence to sell his stolen jewelry. Reassured, the gang recruits him. Merrick the gangs mysterious leader who never lets anyone see him face to face first assigns him to check on Delaney, a crooked bookie. Pete then meets Newell, a lawyer. The gang then installs Pete in an flat he tosses a note containing the address to a policeman when no one is looking. Two police detectives let the flat opposite. One of them is deaf, and equipped with binoculars, can read Petes lips when he silently mouths what he has discovered.The gang plans to steal the necklace of prominent socialite Lady Mead at a party she is giving. Pete goes to the party with Natascha, while the police attend the party undercover, and send Lady Sybil, a society gossip columnist, to observe. At the party, Pete runs into Conway Addison, a lawyer. The lights go out, and when it goes back on, Natascha has escaped with the stolen necklace. Inspector Cardby pretends to arrest Pete, but lets him go once they are outside. ........

Source: Wikipedia