After finding a baby outside an orphanage, a salesgirl receives sympathy from those around her, including her boss' son, as they all assume the baby is hers.
Growing up in a poor working-class family, Laura decides not to marry the boy-next-door and instead accepts wealthy, older Will Brockton's invitation to move in with him. After falling in love with young up-and-coming newsman Jack Madison she leaves Brockton to wait for Madison's return from a long assignment. She runs out of money and becomes desperate, returning again to Brockton who, upon learning of Madison's sudden arrival, tells Laura she must inform Madison of her living situation or he will.
Trapper Flint Mitchell and other mountain men from the Rendezvous join forces to enter virgin trapping territory but must contend with a resentful Blackfoot chief.
