 After Michael found out, in order to protect himself, he killed Terry and framed Yau, who was then suspended from duty, which caused Yau to suspect something fishy.One day, Yau's girlfriend, Amy (Irene Wan,) found a videotape at home and discovered that Michael and Tat were accomplices, but in order to save Yau, she handed the tape to Michael, which also led to her fatal demise.At this point, Yau and Shirley discover the truth to everything, that Hung luckily escaped from the drug bust earlier and came back to revenge on Lung, who was an undercover cop, on the night before his wedding with Shirley.