Geocaching... The Treasure Kings have become seasoned cachers now and this latest cache has stirred up the competition. Where others failed, the Treasure Kings prevailed. It's the greatest geocache they've ever found and finding it was only the beginning. Can it really cure Lucas of leukemia? Charlie thinks so. So does Mason. They saw what it did to Lucas in the hospital. But that's not all they've seen. And when it suddenly goes missing, emotions get out of control and accusations threaten to tear the Treasure Kings apart. It's up to Charlie, Mason and Lucas to discover the truth behind their treasure before it's too late...