Flog It! comes from Powderham Castle in Devon. Overlooking the River Exe, it's been the home of the Courtenay family for more than six hundred years. Antiques experts Will Axon and Mark Stacey find treasures among the hundreds of visitors to take to auction. Will tests out a telescope that once belonged to the captain of a tall ship, Mark uncovers a rare Watcombe clock and Paul Martin takes to the high seas to explore Plymouth's maritime heritage.