A shack, a chest of drawers, and a fishbowl are all that a talented metalworker leaves to his three sons upon his death. Maomao is assigned to investigate how these strange inheritances all fit together.

Back at home, Maomao visits an annex building at the Verdigris House that hides one of the brothel's secrets. Lakan continues to antagonize Jinshi as his connection to Maomao becomes clear.