Avsnitt 4

A man with tattoos called KO TAI-WAI comes to the All-in-One Properties Management Limited, looking for the person in charge. Grabbing YIU-MING's shirt, TAI-WAI scolds them for damaging his computer which contains many important photos, demanding them to try every way possible to recover the photos . Having known the photos are very important to TAI-WAI, YIU-MING endeavors to dry the computer by using the hair dryer, but KIN-CHING complains that it's too noisy. After YIU-MING reveals the difficulty, PIK-KEI approaches PIT-TAT, asking him for a favor, so PIT-TAT tells PIK-KEI that he knows someone who is a reclusive computer genius. PIK-KEI follows PIT-TAT back home only to find out that the genius is actually DOR-LOK . She then promises DOR-LOK that she will take up the position as the promoter of the Heritage Society as long as he can restore the computer……