S1·E63 Episode 63

SING knew that LAP is the one who killed KEI and CHEONG. He orders Uncle BO to kill LAP. LAP could escape from death. He is only slightly injured. LAP knew that SING is the master man who want to kill him. He is determined to confront against the YIP's. SING is very angry with LAP. He wants to beat LAP. However, he is too irritated and faints. Consequently, he died of heart attack in the hospital.