Half Japanese Hong Kong girl Mari Hirakawa who succeeds dojo after tragic death of her Karate master and father encounters ex-karate student, ex-yakuza Chan Keung who also succeeds the half of her father's karate dojo.
Dai Hung is the head chef of Ah Yong Cafe who is unable to get along with the owner's daughter, Rosemary. When trouble starts brewing at their workplace, Dai Hung and Rosemary have to set their differences aside to save the cafe.