Calamity Jane (Evelyn Ankers), learning that her ownership of the "Prairie Queen" saloon, bequeathed to her by the late unseen Frank Mullen, is going to be disputed by Frank's niece, Cecelia Mullen (Ruth Whitney) and her lawyer, Gordon Hastings (James Ellison), the latter brought to town by her rival saloon owner Matt Baker (Jack Ingram). Calamity and her aide, Colorado Charley (Lee 'Lasses' White) try to run Gordon out of town, but he outwits them. However he listens to Calamity's story, and decides to back her ownership of the Prairie Queen. Cecelia comes to town, and promises Gordon she will help him see that justice is done, but she is unable to provide the letters from her late uncle that proves Calamity's case. Calamity and Gordon discover that Baker has the letters, and they are recovered after a showdown shootout in which Calamity is wounded. Gordon marries Cecilia and goes back home to Texas , leaving Calamity to mourn her one-and-only true love, Wild Bill Hickok.