Disaster strikes as floods plague the region, and the Brown's must balance the fate of their new community with the success of their homestead.

Noah invents an ingenious device to rid the home site of moles; Billy gives daughter Rain major responsibility as barn construction goes full bore at the ranch.

Ami prepares for a critical doctor check-up, but Billy has concerns about progress on the homestead while they're away. A rogue bear destroys Bam's new beehives forcing the kids to rebuild the hive and save the bees before it's too late.