Out in the park, Precious the Gardener digs up a mysterious piece of treasure. Khadija the Artist suggests they take it to Police Officer Liam to find out if anyone's reported any missing treasure. At the police station, Police Officer Liam checks his lost property list on the computer. There are plenty of lost things in Biggleton but no-one's lost any treasure. Police Officer Liam suggests they take the treasure to Professor Millie. In the science lab, Professor Millie uses her new invention to do a thorough inspection of the treasure. The invention scans the treasure and reports that it's old treasure. Professor Millie races off to the community hall. She's decided to open a new museum to display the old treasure.