One of the 12 Westerns in 12 Months; 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.

1874, East Texas. Two friends pursue the Posse, a group of sadistic human traffickers who have kidnapped five women. Along with an Indian scout, they race against time to find and free the women before the traffickers sell them to sex-slave buyers at the Mexican border.