KT's hopes of proving her innocence disappear when Harriet is sectioned. The Sibunas search for the artefacts with the help of a family rhyme when the phonograph is mysteriously restored. Eddie faces the real Sibuna traitor.

When Fabian's trusting nature lands him in the hands of Frobisher, Ammut's collection is almost complete. Meanwhile, Eddie realises the Sibuna traitor is not KT and Jerome shocks Joy with a surprise ending to their play.