The movie "One Man's Hero" tells the story of the "St. Patrick's Battalion" or "San Patricios", a group of mostly Irish and Catholic immigrants who deserted the US Army during the Mexican-American War due to religious and ethnic prejudice.
One Man's Hero
John Riley, an Irish immigrant, joins the American army during the Mexican-American War, only to encounter prejudice and hatred from his comrades due to his Irish heritage and Catholic faith.
