Three In A Crowd(1989)

Three In A Crowd is a Hong Kong drama that weaves together the romantic entanglements of two brothers and their wives. Lo Hin-chung, a veterinarian with a domineering mother, marries his childhood sweetheart Fong Mong, an aspiring art director. When Fong Mong's half-sister develops feelings for her mentor, director Fong Kim-ting, an affair unfolds that threatens Hin-chung's marriage. Simultaneously, Hin-chung's brother battles to salvage his own relationship after infidelity. As secrets surface and loyalties fracture, the families must confront the consequences of desire and deception, testing the bonds that hold them together.