Series 1

Four friends gather for Christmas dinner at an old cottage. Suddenly, there's a power failure and the phone goes dead. And that's only the beginning.

When Captain Rolph reports a plane on a collision course to Ground Control, they're unable to find any trace of the mystery intruder. Did he imagine it, or was there really an aircraft?

Newly married Lorna and Geoffrey find a deal too good to pass up on an antique Victorian brass bedstead: however, they soon find that it exerts a strange influence over their lives.

World-renowned writer Powys Jubb wakes up every morning at 4.20 when his bedroom clock stops ticking. He soon becomes convinced that at 4.20 one morning, he will die.

His name was Smith. It sounded so ordinary yet his crimes horrified and appalled the England of his day. When journalist Jane Hornby investigates, she finds the past lives on in the present.

Shortly after a woman moves her family to Sussex so that she and her husband can raise their children away from London, she begins hearing sounds coming from the attic at night which no one else can hear.

Jane and Frank Pullar have recently moved to a house in Sussex so that the children can grow up away from the dirt and rush of London. Soon Jane starts hearing sounds at night from the attic. But there is no one there and only she can hear them.