A B ( Danny Lee ) rely on smuggling for a living , although the man slovenly , but very homely , and younger brother A Dee ( feelings Aaron Kwok) is particularly better , but the mother ( Jiao Jiao ) for B B past misdeeds cynical , B is the mother to quell anger , their savings to invest in ballroom , determined over a new leaf . A B life their hopes in the body A Dee , Dee great singing potential, then arrange performance opportunities for Dee , but the singing contest judged favoritism , would not join the Dee three B, thus playing angry judge , more tired Dee suspected case B does not want to Dee was arrested and surrendered to police in the process of surprise, the police investigation B , B is no intention to expose partners to use the ballroom for drug trafficking dirty B unreasonably sentenced to imprisonment for a heart attack deaths , the mother who, upon Dee, grief B prejudice , brothers feelings cracks . Dee was the record companies appreciated to record an album , the music became popular , and up to B after leaving prison , the brothers divide even more , Dee utilities such as Fang the occasion , recalled the situation and B are brothers , and B solutions open the hatchet, and adjourned to the brotherhood