CHIT checks MUI's telephone in her company and discovers her trick on her phone. CBIT is aware that MUI is involved in the case. She also remembers the wooden box of MUI. CHIT and KWAN go to Mei King Bay again. YUNG and his colleagues also arrive at MUI's house. MUI is arrested and accused of being LING's murderer. LUNG's mother is dying. She tells LUNG that her father is not her genetic father. LUNG is reminded to find her real father. YI provides with LUNG accommodation. YUNG's stepbrother comes from the USA. CHIT and KWAN do not like his style.