Tae is an active octogenarian who lives with an unusually talkative cat. Why do the fishermen in her seaside town find dead fish coming in with the tide every morning?

Tae talks about her past and Kotoko figures out a way they can defeat the Electroshock Pinocchio.

A hotel chain magnate asks Kotoko for help in solving a murder… that he may have committed.

The heirs to the hotel chain begin discussing what they're going to tell Kotoko, but some unexpected details come to light.

Rion talks to her father and, realizing something important about her grandmother, proposes an answer to the president's assignment to her relatives.

Kotoko offers her own explanation of Sumi's death, which awakens the memory of a crime that had slept for decades.

Two friends meet for dinner in a classy unagi restaurant, and get distracted by an apparently young girl who is confidently dining there alone. Somehow, this leads to talk of murder...