In the Line of Duty 4 (1989) on Netflix

Plot summary

A drug trafficking case takes Hong Kong officer Rachel Yeung Lai-ching to Seattle, where she works alongside Tony, the leader of the local narcotics team. The suspect they are after, Liu Zai, has already slipped back to Hong Kong, so the two return there to carry on the pursuit. In Hong Kong, Liu Zai is chased and nearly killed more than once. Luk Wan-Ting, an immigrant dock worker, is caught in the middle: he sees an intelligence operative murdered and is framed for the killing, which puts the police on his trail while Rachel and Tony keep working the case that brought them across the Pacific.