Logan and Hannah have just finished building their tree house in the backyard. Trouble strikes fast when a storm suddenly overtakes their neighborhood Their family seeks shelter in their basement, but unfortunately, many of their neighbors don't fare so well. Houses are destroyed, and people need their help.
The storm is just the start of their troubles, though. A bear soon arrives, and this bear is hungry. Luckily, Logan and Hannah have food to share with the bear and his lady bear. They make friends with them and even build them a cabin of their own. Then, big news arrives: the bears are expecting a baby, so of course, they need help building a nursery.
When the baby bear arrives, everyone is thrilled. The kids and their parents pitch in to help the bear family, especially since a baby bear is a lot of work. Baby bears are curious, which is why the kids must rush to its aid when it eats poisonous berries. Truly, life in a tree house is filled with adventure-and even danger. It's a good thing Jesus is watching over them