While Shelley Winters is top-billed, Ricardo Montalban is the real star of My Man and I. Montalban plays Mexican transient farmer Chu-Chu Ramirez, determined to make something of himself and improve his lot in life. He falls in love with disillusioned alcoholic Nancy (Winters), intending to help her overcome her illness. Meanwhile, Ramirez' nasty boss Ansel Ames (Wendell Corey) is shot in an accident. Jealous over the fact that his wife (Claire Trevor) has designs on Ramirez, Ames accuses the Mexican of attempted murder. The manner in which Ames and his wife are forced to tell the truth is one of the oddest (and most compelling) sequences in all of William Wellman's work.
by Hal Erickson synopsis