SUM meets MAN-CHING on the way to the clinic in the morning. Before CHING opens her mouth, SUM tells her not to eat from street food stalls. But before she finishes, two men show up and take CHING away. The police gather information of CHING from SUM. They are surprised that she knows so little about CHING. As SUM never smiles at work, CHEUNG believes this has created a distance between she and her staff. SUM invites her staff to karaoke after work. Everybody is enjoying himself until SUM shows up. Everybody in the clinic, including PO, has had enough of her care. PO decides to speak up for the others and tell SUM…