A pilotless plane, a gas truck explosion, a series of kidnappings-and an archery tournament? After their last adventure, Sarah Jennings and her friends think that life will quiet down, and they are eager to prepare for the first archery tournament of the season. But recent events have startled the residents of their small town with unusual river traffic, sunken barges, a gas truck explosion, and a plane crash with no pilot-and teenage girls are being kidnapped all along the Arizona/Mexico border. At the archery tournament, Sarah's friends Lila and Nathan drive into Mexico to retrieve a stolen school van. When nine girls who claim to have been kidnapped plead for their help, Lila and Nathan must get them back to the USA across a river highway. And it's only the beginning for Sarah and her adventurous gang...