Following the loss of their son, retired sheriff George Blackledge and his wife Margaret leave their Montana ranch to rescue their young grandson from the clutches of a dangerous family living off the grid in the Dakotas, headed by matriarch Blanche Weboy. When they discover the Weboys have no intention of letting the child go, George and Margaret are left with no choice but to fight for their family.

Missie and Willie have set up a homestead and are starting a family. The new railroad will make it possible for Missie's father to visit. When the reunion is interrupted by tragedy, this family's faith and love are once again challenged.