YEE confesses to LEI that he likes CHI. HAU reveals his identity as a mole to LAI-SUM. She promises to help him find Inspector CHAN’s missing gun. She recalls SUM has once brought a box of durians home. HAU follows her home. SUM sees them. He is certain they have an adulterous relationship. LAI-SUM finds the gun. In the meantime, SUM is home. He has brought home a toy gun with which he is going to suppress HAU, the adulterer. He grabs the real gun by mistake. When he is about to fire at HAU, LAI-SUM stops him before it is too late. SUM demands her to say she has never loved HAU; she cannot do it. SHEK makes an exhibition of himself when he is going out with HUNG. She is angry, and he ends up leaving on his own. She rushes to see him after she has heard about his story from CHUN. She is drunk. SHEK sends her home. MRS. KUK invites LEI to endorse her new product. LEI swears she will not let any another woman take YEE away……