Fire Down Below is a 1957 adventure drama film starring Rita Hayworth, Jack Lemmon and Robert Mitchum and was directed by Robert Parrish.
It was based on Max Catto's 1954 novel and filmed by Warwick Films on location in Trinidad and Tobago in Technicolor and CinemaScope.
After the Korean War, Americans Tony (Lemmon) and Felix (Mitchum) own a tramp boat, the Ruby, which they use for small-scale smuggling around the Caribbean, along with a third crewman, Jimmy Jean (Edric Connor). One day, their bartender contact, Miguel (Anthony Newley), introduces them to an American businessman who has been enjoying the company of beautiful but passport-less European goddess Irena (Hayworth). He has to return to Detroit, but wants to arrange for her to get to another island. They are reluctant, but $1000 proves very tempting.
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....