Crystal Blake and her friends discover a locked safe in a burned-out lumber mill and find they are not the only ones interested in its contents. Why is the Snake River Lumber Company offering Crystal a huge reward for an old safe no one can open? Crystal and Shawn Sorensen are determined to discover what's inside. Now, if only they could figure out the combination. With the mystery of the safe to solve, Crystal's finding it hard to concentrate on the upcoming rodeo with Pendleton, her biggest rodeo yet.