The Timberline family makes a weekend getaway for a visit to a gold exhibit but it leads to a search for a stolen gold nugget and danger for the entire family.
While Bryce and Jeff go on a two-hundred-mile bicycle trip, Ashley tries to find out what happened to Jeff's sports memorabilia, which have mysteriously disappeared.
While visiting Chicago, twins Ashley and Bryce catch up with old friends, visit the house where they grew up, see many reminders of their deceased father, and help search for their best firends' uncle, who disappeared days before his wedding.