CFM -37 Edmond O'Brien in "711 Ocean Drive" (1950)

CFM -37 Edmond O'Brien in "711 Ocean Drive" (1950)

Lt. Pete Wright (Howard St. John) and his partner, members of the Los Angeles police gangster squad, set out for Las Vegas to arrest Mal Granger (Edmond O'Brien) on a murder charge.

Granger works for the telephone company and supplements his meager salary by betting on the horse races. His bookie, Chippie Evans (Sammy White), suggests that Granger could make even more money by using his electronic expertise to help Vince Walters (Barry Kelley, as Barry Kelly), the owner of a racing wire that furnishes bookmakers with the results of every race direct from the track. Walters, who wants to expand his network throughout the state of California, offers Granger a good salary to set up and maintain an expanded system. Granger is also drawn to the arrangement by the presence of Trudy Maxwell (Dorothy Patrick), Walters' attractive assistant.

Wright is assigned to the newly established gangster squad and investigates Walters' organization, which is suspected of being a front for illegal gambling. One day, while signaling the changing odds of a race, which are then transmitted to Walters, Trudy is arrested and then banned from the track. Granger keeps refining the signaling process and eventually, is able to pressure Walters into making him a partner