1850. Captain Charles Boone inherits his wealthy cousin's estate and relocates his family to small-town Maine. The Boones encounter prejudice, hostility, a mystery illness and murder as Charles begins a dangerous journey of self-discovery.

The mysterious Jakub lures Charles to Jerusalem's Lot and he discovers that his madness is connected to an ancient book. The children are stunned and betrayed when Loa finds Rebecca's secret writings about the Boone family.