Overview:CHAI confines KAU. He makes her work as his gang’s temporary accountant after learning that she is a mathematical genius. TUNG pretends to put the evidence in where she has been told. She tries to follow the culprit but to no avail. TUK-LAM manages to make it to a warehouse and fights off CHAI’s men. Now that the case has been settled, SANTOS revokes the arrest orders of the trio and resumes SHUI’s post. TUNG invites the trio to move in but they sneak away in the middle of the night. TUK-LAM’s grandmother has been hospitalized. He visits her, and discovers that she is not suffering from any terminal illness at all. He decides that he will from now on stand on his own feet and support his grandmother. With a view to repaying his debt, CHAK-LAM goes through a wall and steals money from a Mahjong house. SHUI sees the girl he likes on the street. He is so thrilled that he sings and dances on the street.