Farewell to the Channel (1987)

A young man is pulled into crime and then murder. He falls in love with a beautiful young prostitute who sells herself to a brothel to pay off his debts. When the young man tries to buy her contract from the brothel owner, he kills one of the bosses' thugs in a fight. A crime syndicate that the young man willingly affiliated himself with failed. Now on the run from both criminals and the police, the star-crossed lovers flee through Taiwan. A powerful morality tale, the film exposes the dangers of the underworld economy, and the ubiquity of crime and violence on the island.