Greed Mask(2006)

Greed Mask is a mystery series centered on the murder of wealthy tycoon Man. His determined son Fung launches an investigation to uncover the killer, but the case grows increasingly complex as dark secrets emerge. On the night of Man's death, Shan discovers she is his illegitimate daughter and fears she may have killed him while sleepwalking. Further investigation reveals that Man was acting erratically that evening and attempted to assault Fung's cousin Tung, who has congenital hearing impairment. Tung becomes a prime suspect, accused of killing Man in self-defense. As suspicion falls on multiple family members, Fung must navigate conflicting motives and hidden truths to identify the real murderer.