Summary Ho Yin proposes to form a band with Pei Ching and Sin Man, and finally Sing Pak joins in and forms Insomnia Band. Ho Yin helps Sin Man to investigate the whereabouts of his father, TAM Sum, and finds out that ten years ago, TAM Sum suffered an accident and was hospitalized with amnesia, and was then taken away by a woman. When they trace the case to a dumpling store, they find two women lying on the spot, one of them is killed by a knife and the other is unconscious. The whereabouts of Tam Sum is unknown or a key figure ...... Sing Pak searches the scene of the dumpling store for evidence, and deduces the circumstances of the case ...... Sing Pak still The two of them have been accompanied by Ho Yin, and they have finally taken a step forward to become a couple. On the other hand, Pui Ching is about to conduct an autopsy when she discovers that .

• Crime