Plot: All of them are feeling rather disturbed as to how to solve the problem of paying NANA $500,000 in compensation for losing her diamond ring, and eventually they vote to decide not to report it to their superior for the time being. Inviting OI-WAH out to meet her, PIK-KEI intends to borrow $500,000 from OI-WAH, who instead advises PIK-KEI to conduct a thorough investigation