The movie "Borderline" is a 1950 American romantic crime film directed by William A. Seiter. The movie is about Pete Ritchie (Raymond Burr), who runs a narcotics smuggling operation to the USA from Mexico, which the Los Angeles Police Department and the US federal government have unsuccessfully tried to stop. Because of Ritchie's careful operating procedures, US authorities haven't even been able to find out the identities of his sources or customers and are desperate for a breakthrough. As a last resort, Madeleine Haley (Claire Trevor), an LAPD officer and former OSS operative, is sent undercover to Mexico to charm her way into Ritchie's confidence....