Cesar and Maud test their marriage with a four-season "thorough hike" of the Appalachian Trail.

Hiking the entire Appalachian Trail southbound through all four seasons in 2001-2002 with their miniature Schnauzer "Trudy the Trail Terrier," Cesar and Maud encounter some leading lights of the A.T. community and learn that marriage is not for the faint of heart. Filmed in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Maryland, West Virginia, Virginia, North Carolina, Tennessee, Georgia, Florida.—Maud Dillingham