Runaway Blues

Runaway Blues is a 1989 Hong Kong action film directed by David Lai and starring Andy Lau. Due to its amount of violence, the film was rated Category III by the Hong Kong motion picture rating system.

Detective Ronny Cambridge Robert Zajac has been investigating Nip and Chius illegal activities and after his informant was recently killed, he blackmails Kong to be his new informant. Kong becomes pressured and Sue comforts him and gives him encouragements. As they spend time together, Kong and Sue gradually fall in love with each other.During a deal of Rolex watches between Chiu and mainland Chinese triad Wah Kelvin, the goods suddenly disappear and Wah suspects Kong has stolen them. Being persecuted by Wah, Kong flees to Guangzhou, before finally heading to Macau and plans to bring Sue with him back to Taiwan. ........

Source: Wikipedia