Earnestly and genuinely, GRANNY MUI advises that NIK-HANG and his friend should stop doing illegal things, yet NIK-HANG just keeps saying yes without showing any real intention to repent. Suddenly, NIK-HANG suffers from a severe headache, and a vision of all those bygones appears vividly in his mind after the pain has gone. Upon his return to Y Suite Hotel, NIK-HANG runs into SZETO SHUN, who also has a headache and is concerned about his younger brother's safety, so NIK-HANG cannot help feeling touched. A party is thrown at the official opening of LAM LING's "Agatha Investigation", and TSO-CHI also comes. At the party, MRS. CHUNG seeks LAM LING's help because her daughter SAU-KEI just ran away from home. Thus, LAM LING challenges TSO-CHI, suggesting that they should compete to see whose company would be the first one to solve the case.… ...