Off-duty L.A. veteran Detective Monigan is gunned down by a thug with a mottled face and a twisted left hand in the street in front of a cigar store—a front for a bookie joint. Because $1,000 was discovered on the detective, he’s suspected by the police of being a dirty cop protecting the bookie joint. Hard-nosed detective, Lieutenant Mike Conovan, recently removed Monigan to a desk job because he was too old to be part of his active field team—which also includes veteran Fred Piper. Captain Forster has replaced Monigan with gung-ho newcomer C. C. Gordon, as he assigns Mike to head the murder investigation. Mike tells Ed, Monigan’s disgruntled son, that he will try and clear his father’s name.
Clues from a stoolie with a penchant for saying yuk-yuk lead to lowlife thugs, known as downstate ‘lobos,’ Turk and Lafe identified as knocking off a string of bookie joints for a new syndicate. When Mike can’t locate the two, he dates sexy nightclub showgal Lili with the intention of getting her to lead him to her boyfriend Turk. The danger of the job and all the hours he is away from her, makes Mike’s wife Gloria want to reconsider the marriage unless he quits. —Ozu’s World of Movie Reviews
Roy Rowland (December 31, 1910 – June 29, 1995) was a film director. The New York-born director helmed a number of films in the 1950s and 60s including Our Vines Have Tender Grapes, Meet Me in Las Vegas, Rogue Cop, The 5000 Fingers of Doctor T and The Girl Hunters. Rowland married Ruth Cummings, the niece of Louis B. Mayer and sister of Jack Cummings (MGM producer/director). They had one son, Steve Rowland, born in 1939, who later became a music producer in the UK, and has recently published his memoir Hollywood Heat.
Rowland, before becoming involved in film studied law at U.S.C. He later got work as a script clerk for MGM. This eventually led him to becoming a film director. Rowland started directing one-reel and two reel films before moving on to feature films in 1943. In the mid-60s Rowland directed three spaghetti westerns before retiring from film directing. —Wikipedia