Professor Darien has fallen into Mama Doc's trap, and has been over-powered by her sidekick Bobby, the fake policeman. But why has Mama Doc enticed the professor to visit her dolls' hospital?

Mr Sweet and Mikki have both visited Mama Doc's dolls' hospital - but Mikki has not returned

Chas has an unusual assignment - to attend an old lady's hundredth birthday party. But Tarot and Mikki sense that something has happened to Chas - who later returns with no memory of what happened at the party - and after it.