Russell is troubled when Claire chooses to go to the aid of her ex-boyfriend Rod, instead of attending an important family function. Claire is dismayed to discover that not only has she jeopardized her relationship with her husband, but she may have made things worse for Rod as well.

Claire shares some alarming news with Russell that will impact all members of the family. Meanwhile, Hattie and the kids head out on a search for the lost map that Hattie has embroidered to illustrate the family's many travels.

Josh wrestles with the ardent feelings he's having for his new girlfriend, and must make a decision about where their relationship is heading. Meanwhile, a pregnant Claire battles morning sickness.

The Greenes come to the aid of a dying Mooster, but unwittingly cause her grief when they sell off her most prized possession and are unable to retrieve it from its new owner.

Russell accidently acquires the reputation of a spirtual healer after a cancer-stricken woman observes him saving a little girl from drowning, and his unavailing efforts to convince the townspeople otherwise prove disastrous.

After being violently attacked by an unknown assailant, a shattered Dinah attempts to return to her normal life and befriends a seemingly good-natured doctor at the hospital where she volunteers but soon discovers that the man isn't who he appears to be.

Russell is appalled to learn that his friend's son, is popping steroids to improve his athletic ability and when concern for the boy forces Russell to intervene, he discovers the lengths some fathers will go to see their children succeed.

While travelling through Nevada, the Greenes meet Rick, a widowed father who is gambling his life - and his relationship with his young daughter - away, and the deck seems stacked against those who try to help him kick his habit.

A Thanksgiving visit with Claire's sister and her husband is cut short, after Claire announces her unexpected pregnancy and the childless couple doesn't take the news well.

Claire discovers a startling fact about one of her most popular high school students - he's illiterate, and so is his unsupportive father, who wants his son to quit school and learn a trade. Meanwhile, Nathaniel's attempts to win friends backfires.

Hattie hastens to the aid of a dying childhood friend, who asks an alarming favor that Hattie's unsure she'll be able to grant. Meanwhile, Claire is rushed to the hospital when she suffers from severe abdominal pains.

The Greenes befriend a family that seems to mirror their unusual lifestyle of home schooling and travelling around the U.S. but upon closer inspection, Russell realizes that they aren't what they seem and like the nomad lifestlye for a secret reason.

The discovery of a seemingly valuable Purple Heart medal at a flea market has Nathaniel searching out its owner, but he's surprised to learn that it was given away by a troubled woman whose father won it in the war.

When the Greenes return to Chicory Creek to get their car fixed, Josh disobeys his father and becomes involved with a wild teenaged girl, who has a drinking problem she won't admit to.

Nathaniel's father is released from jail on a weekend pass to surprise his son on his birthday, but circumstances may stop the reunion from ever taking place.

Things are looking up for the Greenes when a relative of Claire's leaves her a 100 acre ranch in South Dakota, but the family soon becomes involved in a dispute over an Indiana burial site.

Hattie goes undercover in a home for seniors to investigate possible elder abuse, after Dinah and Josh tell her about their suspicions.

Claire faces a dilemma after landing a substitute teaching job at a school where the principal is an old college friend. Meanwhile, Nathaniel resorts to cheating to get a cub scout badge.

Russell and Claire help a man whose supposedly deceased wife returns to see their daughter after disappearing years earlier.

Family members hold a vigil outside the school as terrified students, including Claire, Josh and Dinah, are held hostage by a gun-wielding, troubled teen. When the situation is eventually diffused, Russell and the kids have to deal with their emotional scars.

Claire awaits the arrival of the baby, and Joe is released from jail and joins the family. Meanwhile, Josh, Hattie and Dinah head to Oklahoma City for the memorial service.

Claire and Russell stand vigil at the hospital with baby Grace until they're forced to give up the fight. Grief-stricken they return home to the rest of the family where they struggle to begin the healing process.