The series follows the lives of the Davis family, who move to Rock Springs after the death of A.J. Davis’ wife. As the newly appointed sheriff, A.J. is determined to provide a stable and loving environment for his daughter, Emily. Alongside A.J., the resilient schoolteacher Sarah Chandler, the spirited aspiring doctor Jessie Davis and the seasoned town doctor Richard Bain, navigate new beginnings, love and the challenges of frontier life.