Due to hijacking by gangsters, a pair of twin brothers were separated at birth. His younger brother Daring (Jackie Chan) was picked up and raised by a dancer, and he wandered at the bottom of society all day long. In order to help his friends pick up girls, he met the singer Barbara (Maggie Cheung), thus offending the underworld; his elder brother Ma Yo (Jackie Chan) was raped by a wealthy couple. The couple took them to the United States to pick up...