Travers, a doctor who deserted his military post, searches the frontier for the wife who left him. His quest is thrown off course when he saves Sarah, a woman left for dead after a wagon raid. With the cavalry, the law, and deranged outlaws on their trail, Sarah and Travers set off together to find this missing woman. Heart of the Gun is a psychological thriller and a romance drama wrapped in a gritty Western setting. 　　译文(2): 特拉弗斯是一名擅离职守的医生，他在边境地区寻找离开他的妻子。当他救出 Sarah 的时候，他的追求被打乱了，一个在马车突袭后被留下等死的女人。在骑兵，警察和疯狂的亡命之徒的追踪下 Sarah 和 Travers 一起出发去寻找这个失踪的女人。《枪之心》是一部心理惊悚片和浪漫爱情电影，背景设置在坚韧的西部。