A look at the teams who care for two luxurious mansions on the edge of London that have long played a pivotal role in society through the lavish parties and country house weekends they hosted: Cliveden House, the former home of Nancy Astor, and Polesden Lacey, the weekend retreat of the heir to the McEwan's brewing empire, Margaret Greville.Meanwhile, an Edwardian clock tower is running out of time, and a Renaissance balustrade needs an intervention.

A missing masterpiece - Penelope and Euriclea, by groundbreaking female artist Angelica Kauffman - returns to its stately home, the grand Palladianvilla Stourhead, after two centuries. Plus the search for the lost castle of Stourton and the scrapbooks revealing one man's mission to save English country houses.

A look at the teams who care for the some of the most important legacies left to the National Trust, from an aristocrat's hoard of priceless treasures to the modest family home filled with everyday objects from 1920s middle-class life.Behind the leaded windows of the Cambridgeshire mansion Anglesey Abbey lies one of the National Trust's most extraordinary collections: 15,000 objects amassed during the lifetime of one man - Urban Huttleston Rogers Broughton, 1st Baron Fairhaven.Meanwhile, in Worksop, a modest semi-detached family home is a perfectly preserved time-capsule of early 20th century life. And the team that care for the Trust's largest fashion collection, based at Killerton House in Devon, are selecting pieces to display in their annual exhibition - no easy task with over 20,000 items to choose from.