Based on OCEAN’s statements, YEE goes to question his girlfriend KELLY at her home. It is not until then that KELLY comes to realize that OCEAN and OSCAR often switch identities while going out with her. PO’s son TSUN-KIT will soon begin his internship as a houseman, and PO happily shows CHING-MAN and KWAN the pen that he is going to give KIT, which is actually a family heirloom. PO injures himself while protecting the pen from a thief. CHING-MAN and KWAN go to the university for evidence collection, where they spot a gardener burning garbage and causing a horrible smell all over the campus. The gardener is taken to the police station for questioning. He is afraid to reveal what dirty deeds he has done, but denies killing SAI-HANG all through the questioning. PO is shocked and sad to discover that KIT is on drugs and has got extremely fed up with his medicine studies.… ...