The story revolves around Vân, a bread seller who accidentally encounters two young men in a minor accident. What happens when love at first sight strikes all three of them simultaneously? Between a mature, manly guy and a slightly rebellious, cool one, who will win the "Nụ Hôn Bạc Tỷ of the beautiful girl?
B4S will begin with a "memorable" night of two groups of close friends at a bar. And then, the audience will be able to follow each person's love story on that "fateful night".