As the saga continues, the McClane family must deal with the highwaymen for good, but despite their well-planned strategies and meetings, they find that time and again the group is one step ahead of them and will not be so easily defeated. Finding their hidden lairs will prove only half the battle, ...

As the saga continues, the McClane family must deal with the highwaymen for good, but despite their well-planned strategies and meetings, they find that time and again the group is one step ahead of them and will not be so easily defeated. Finding their hidden lairs will prove only half the battle, and in the end, they discover that others could be conspiring against them and working with their enemy to defeat them. The arrival of Robert McClane's doctors and scientists will significantly improve their chances of finding a cure for the Scarlet Fever ravaging the children of their village, but with more people comes significant complications that could potentially upset the balance of the family. And the conflict between Cory and his best friend lingers as he tries to find a way to help Simon learn to forgive him and resolve their issues. Except for the only problem Simon has isn't just Cory. His own struggles to win back Sam and convince her to return to the farm is the most difficult task he's faced yet. It leaves some of them wondering if harmony will ever visit their farm again.