Crystal, a senior executive at a Singaporean company, is known as a "female tyrant" among her subordinates. While she excels in her job and has a shining track record, her love life is in shambles. After breaking up with her boyfriend of ten years, she receives an invitation to his wedding. Feeling resentful, and trying to escapte from her emotions, Crystal focuses even more on her work. At this time, she notices Oscar, a subordinate who recently transferred from Hong Kong, due to his significant work mishaps. With his good looks, yet quirky personality, Oscar is blackmailed by Crystal to be her "new boyfriend" and attend the wedding with her in order to make her ex-boyfriend jealous.

Oscar is resentful but agrees to attend the wedding with her. Along the way, he mistakenly believes that Crystal is carrying a lot of dangerous items to cause trouble at the wedding. Their journey is fraught with comical misunderstandings, but Crystal is determined to get back at her ex.......

Crystal, a senior executive of a company, has been in a year-long relationship with her subordinate, Oscar. They travel to Germany together for a business trip. Oscar sees how much Crystal accommodates him and is deeply aware of the gap in their financial positions. His struggles with the "female superiority and male inferiority" complex and love are in conflict. Is happiness really linked to financial strength?