Caitlin loves summer camp. She has spent every summer she can remember at camp with her mom, who is a counselor. This summer, Caitlin wants to join the difficult, three-day hike with the older girls. But Caitlin's mom says she's not old enough yet. Caitlin is determined to change her mom's mind and prove she is strong enough for the hike. Will Caitlin be allowed to go on the overnight hike? And if so, will she be able to do the full three days?