When the new owners of a house in Blythburgh in Suffolk explored their potting shed they were shocked to discover a cupboard full of human skulls. Could these remains have something to do with the superb ruins of a medieval priory that has lain hidden for years? The priory fell into disuse before Henry VIII's dissolution of the monasteries, and may contain the remains of a 7th century Saxon King, Anna. But despite digging several trenches in the back garden, the team struggle to make sense of it all. They are joined by historian Sam Newton.