In this episode, a tense standoff unfolds as Tilly hides from pursuers suspected of poisoning a rat. Helen and another person pressure Tilly to come out and wash up, insisting the 'mouse' is already dead from poison. Suspicion rises when Helen prevents others from checking the hiding spot, prompting accusations about someone concealed inside. Despite objections, Helen dismisses the concerns, saying the poison would have forced anyone out by now. As Tilly reluctantly considers compliance to hold her nephew safely, her clothes reveal the strange smell of poison. The episode ends with Tilly resolved not to give up until she catches the hidden figure, leaving the threat unresolved.