In Chillingham in Northumberland, Britain's most haunted castle reveals its secrets as four brave visitors go on a night-time ghost hunt. The owners of Iford Manor in Wiltshire buy a pub to sell their own-brand cider in, as they seek to diversify the business. At Whitmore Hall in Staffordshire, the portraits get some long-overdue attention and a clean.

In Dorset, rain and storms threaten Mapperton House's annual plant fair. In Staffordshire, the Cavenagh-Mainwaring family are dealing with leaks of their own at Whitmore Hall. Nova Guest is thrilled to sign off her summer season by inviting the first visitors in to the newly-restored Gunpowder Plot room at Ashby Manor, and at Chavenage in the Cotswolds, James and Emma are finally ready to open up their vaunted sauna project to guests.