Ha-mi is a college student, who believes in predestined love. One day she meets Young-bin on the street and instantly feels that he is the one. However, Young-bin is such a heartthrob and his blood type is ‘B’, which is believed as the must-avoidable type by many women! Despite her cousin’s objection, Ha-mi falls for him because of his aggressive wooing. At first, Young-bin grabs Ha-mi’s heart by various special events. However, as time goes by, Ha-mi gets hurt with twist-minded and selfish Young-bin that she decides to break up with him…
(Source: http://www.koreanfilm.or.kr)