Kitty Walker returns home to California after having been estranged from her mother for three years; William Walker brings Sarah into the family business.
Kitty finds herself torn between two men; Justin's new job is more than he bargained for; Sarah and Joe face their greatest challenge yet as parents.
Clark is shocked to discover that his neighbor Jed McNally (JOHN NOVAK) is holding migrant laborers captive and forcing them to work on his farm. Feeling guilty since he sees himself as the ultimate illegal immigrant, Clark seeks help from Martha to allow a young boy and his mother to stay in the country.
A disturbing letter that may alter Justin's future weakens his resolve to stay clean.
The family airs its dirty laundry in Justin's group therapy session; Kitty considers Sen. McCallister's tantalizing proposition.