Fire Down Below is a 1957 AngloAmerican adventure drama film with a screenplay written by novelist Irwin Shaw, starring Rita Hayworth, Robert Mitchum and Jack Lemmon, and directed by Robert Parrish. Based on Max Cattos 1954 novel with the same title, the picture was made by Warwick Films on location in Trinidad and Tobago, in Technicolor and CinemaScope, and released by Columbia Pictures.
On the voyage, Tony starts falling in love with her. Knowing the kind of woman she is, Felix does his best to protect his partner by warning Irena to stay away from Tony. However, Felix starts falling for her himself. When she disembarks, Tony goes with her, ending his partnership with Felix.Tony and Jimmy Jean take on a shady job, but are intercepted by the authorities. They have to abandon ship and swim to a nearby island to avoid arrest. Tony takes a job on a cargo ship to get back to Irena. He also plans to kill Felix, correctly suspecting that his former partner tipped off the customs agents to get rid of the competition for Irena. However, while Tony is away, she goes to Felix and confesses she loves him. ........
Source: Wikipedia