Miami police lieutenant Bart Scott (Lee J. Cobb)follows sultry Lila Hedges (Patricia Medina)to Havana, Cuba to obtain information about a double murder in Miami, learns that vice-operator Raymond Sheridan (Alan Napier)and lobbyist Oliver Tubbs (Edward Arnold) are scheming to introduce legalized gambling to Florida. In Miami again, Scott thwarts the efforts of Sheridan`s hired killers to silence Lila.