A rather disillusioned "Harry Morgan" (John Garfield) is the skipper of a boat offering charters to tourists and fishing trips, but business is not very good. He is deep in debt and, together with his pal "Wes" (Juano Hernandez) is struggling to make ends meet. He isn't helped by pressure from his wife "Lucy" (Phyllis Thaxter) who just wants him to get a steady job - on her uncle's lettuce farm! The plot now takes a fairly predictable twist as they find themselves stranded in Mexico with only one way back. That solution is provided by crooked lawyer "Duncan" (Wallace Ford) who offers to bail t...