Episode 10 (S06E10)

As Paul prepares for his coronation as laird of Glenbogle, the family is stunned to learn that Donald is actually the rightful heir. Accepting the revelation with surprising grace, Donald starts making sweeping changes to the estate, including imposing taxes on the tenants. To determine who is truly fit to be laird, Paul and Donald engage in a duel. Meanwhile, Meg makes her way back to Glenbogle, bringing along a startling surprise that will change everything.