A Serious Shock! Yes Madam!(1993)

Though policewoman Hsie Wan-chin (Cynthia Yang Li-ching) is merrily planning for her wedding with fellow cop Wilson Tsiang (Lawrence Ng Kai-wah), he is having an illicit affair with her best friend, May (Moon Lee). When Wilson tries to break things off, May doesn't take it well. When she learns that Wilson and Wan-chin are moving to England, she completely loses it.