The first Asa James Bennington returns home after the War between the States, sells hi Ohio farm and joins a wagon train west to California. The trek ends sadly with many deaths, including his wife. Three generations later, the second Asa James Bennington and his brother Charlie are co-owners of the Double B, one of the best ranches is Wyoming. Widowed in his late 20's after a turbulent marriage, Asa is not prepared to meet, fall in love and marry Joanna Monroe. Both are surprised to become the parent of twins.