Overview: TAN-CHING brings HANG-CHIK to SHUM-PING's home for gathering without informing HANG-CHIK beforehand. SHUM-PING discovers that HANG-CHIK is arriving and he asks LUI LUI and PAK SHUN to hide PING-ON away in the greenhouse. HANG-CHIK finally discovers that PING-ON is following him and PING-ON even snatches away his gun. HANG-CHIK receives a call from his aunt and he learns that PING-ON has returned home. His aunt asks HANG-CHIK to bring TAI-MAN back as well. HANG-CHIK finds it strange that his mother is able to recognize PING-ON but not him. HANG-CHIK asks SWORD to check out the information of PING-ON's hacker website. TAN-CHING visits HANG-CHIK in the late evening and she invites him to go for a walk together. TAN-CHING recalls the past memory of knowing HANG-CHIK in the USA. LUI LUI discovers two pairs of shoes in the data room……