 After "Aces Go Places IV", Karl Maka allowed Lam to make whatever type of film he wanted.Lam's had two films released in 1987. one of which was the first of his "On Fire" films, "City on Fire".The film is a gangster movie which was made in Hong Kong in the footsteps of "A Better Tomorrow" (1986) which re-invented the gangster film genre in Hong Kong.