Operation "SharkHunt" - Season 1 Episode 16

Chased after by the police, Li-hung and her friends split. Knowing where she is, Hsi-ya orders the arrest of Li-hung regardless of their intimacy. After a long stalemate with the police, Li-hung is killed falling down from the building accidentally. Released, Hui discovers that An is responsible for Li-hung's death but An's denial troubles him. Hui loses the incentive to work and becomes cold to Hsi-ya, concertrating on collecting evidence to prove An guilty. Informed that An, after failing in his illegal loan business, deals in narcotic, Hsi-ya sends the police to search his house but is shocked to find it empty.