Threesome (2018)

Born into a family of lawyers, Fong Yi Yan has a top name in the legal industry, as her mentor. She is an outstanding student, but after she completes her pupillage, she turns on him and frequently opposes him in court. Fong Yi Yan conceals the fact that she has multiple personality disorder. One of her alter egos is a wild player, who is brave and ruthless. Another alter ego is timidand pessimistic, wearing a constant frown on her face. Lei Dung Kwai discovers Fong Yi Yan's secret and uses it to blackmail her into hiring him as a trainee.