Roseanne Duncan, witnesses her employer push his sickly wife down the staircase. Fearing she'll have to testify against a prominent man in town, she's given ad for a mail order bride in Dodge City. Believing this is a way for her to escape the possible danger of her employer, she travels to Dodge City and marries under the name of Abigail Johnson. Logan Granger, is a Pinkerton Detective assigned to Dodge City area as an undercover bartender...