Marriage without dating k

In a courtroom, a judge calls JOO JANG-MI (Han Groo) to the stand. The charge: stalking. How does she plead? As a man runs down the street and races up the steps to the courthouse, she lets out a laugh that grows crazed, and then she finally speaks: "I'm a crazy bitch. I must've been insane..." The man gets stuck getting through security, and he tells the guard he has to testify for someone. The guard asks his relationship to the person, and we cut back to Jang-mi: "I said to that bastard..." The man declares to the guard: "She's the person I'm going to marry." Jang-mi: "...Let's get married." As she says it, the man busts into the courtroom, and her eyes grow wide. Rewind to the fairly recent past, as our heroine Jang-mi flits her way through preparations for the proposal she's planning to spring on her boyfriend tonight. She goes totally overboard, with heart-shaped balloons, rose petals, too many candles to count, and the perfect outfit for her perfect day. This is going to be so ...