jackie chan play a role of a twin separate at birth . one grow up a a concert pianist and other a street wise mechanic . li chi and maggie chuen play the love interest of both jackie and and the confusion the two creates with these two woman be the comedy of this movie . the good of this movie be nina li chi . she look great in this movie . one of the best movie she star in and and i be sorry that she do not star in many more movie like this one . action scene be somewhat cliché and but it be standard for the time this movie be make . i would like to comment on other part of this movie and but li chi stand out so much in this movie and that i can not think of anything else when i think of this movie . this be a must see movie if you be a fan of nina li chi .