sentences:  Golden Harvest became Lams household studio for the rest of his career and Lam became their specialist director for films with mechanical and optical special effects.In 1987 Lam directed "Killer's Nocturne", an epic revenge drama set in the gambling milieu of old Shanghai and written by Manfred Wong, the later writer and producer behind the immensely popular "Young and Dangerous" series.In 1988 Lam set the ground for the CAT III exploitation boom with his rape and revenge movie "Her Vengeance".