Penniless Irish immigrant Michael Devlin arrives in New York City, USA, in 1864, the third year of the American Civil War. With a group of friends from his home in County Galway, he enlists in a cavalry regiment. After basic training, they are thrown into the Union Civil War against the Confederate South. On a reconnaissance mission, Michael discovers he is unable to fire on Confederate soldiers. To avoid the taking of human life, he volunteers for...