Diary of a Prosecutor Season 1 Episode 3 Don’t Fall for Her Act ( Air Date 2019-12-23 ) Genre Drama category. Overview "Jung Woo gets to work with Myung Ju. On his first day in Myung Ju’s office, an old lady wearing shabby clothes comes to the office. He falls for the old lady’s act, and that’s when Myung Ju shows up to set things right. Meanwhile, Jong Hak is heavily stressed out from work and pressured by his colleagues and supervisor, and he ends up falling ill and being taken to the hospital.".