Phung Dich, a 35-year-old director of the security investigation department, is known for his handsome face but cold and taciturn personality. Luu Yen Nguyet, 30, is the CEO of Yen Nhu Financial Company, possessing an alluring figure and a strong, unapproachable demeanor. Will an arranged marriage truly bring happiness? It's a question with no easy answer, sometimes yes, sometimes no. However, for the union of Director Phung and CEO Luu, happiness is a certainty. These two 'icebergs' come together, and instead of freezing over, they unexpectedly begin to melt. He is a man who has never experienced a single romantic relationship, always presenting a frigid front to the women who pursue him. Yet, one day, outsiders are astonished to see an unending smile gracing his lips, while a few tell-tale bloody scratch marks peek out from his neck. What kind of transformation awaits this stoic director in his unexpected marriage?